EP0372607A3 - A sliding rule for conversion tables, address directories and similar references, made of cardboard or the like - Google Patents

A sliding rule for conversion tables, address directories and similar references, made of cardboard or the like Download PDF

Info

Publication number
EP0372607A3
EP0372607A3 EP19890202934 EP89202934A EP0372607A3 EP 0372607 A3 EP0372607 A3 EP 0372607A3 EP 19890202934 EP19890202934 EP 19890202934 EP 89202934 A EP89202934 A EP 89202934A EP 0372607 A3 EP0372607 A3 EP 0372607A3
Authority
EP
European Patent Office
Prior art keywords
sliding
board
cardboard
sliding rule
conversion tables
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19890202934
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0372607A2 (en
Inventor
Ettore Fulgenzi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0372607A2 publication Critical patent/EP0372607A2/en
Publication of EP0372607A3 publication Critical patent/EP0372607A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand-manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction
    • G06G1/06—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction with rectilinear scales, e.g. slide rule

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Cartons (AREA)
  • Medicines Containing Plant Substances (AREA)
EP19890202934 1988-12-09 1989-11-20 A sliding rule for conversion tables, address directories and similar references, made of cardboard or the like Withdrawn EP0372607A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT68100/88A IT1223984B (it) 1988-12-09 1988-12-09 Regolo scorrevole di cartone o simile per tabelle di conversione indirizzari e simili prontuari
IT6810088 1988-12-09

Publications (2)

Publication Number Publication Date
EP0372607A2 EP0372607A2 (en) 1990-06-13
EP0372607A3 true EP0372607A3 (en) 1990-10-03

Family

ID=11307855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890202934 Withdrawn EP0372607A3 (en) 1988-12-09 1989-11-20 A sliding rule for conversion tables, address directories and similar references, made of cardboard or the like

Country Status (2)

Country Link
EP (1) EP0372607A3 (it)
IT (1) IT1223984B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU675667B2 (en) * 1993-11-12 1997-02-13 No. 1 Little Collins St. Pty. Ltd. An indicating device for indicating relevant dates of a pct application
IT1297967B1 (it) 1997-03-19 1999-12-20 Promo Service Di Michele Maffe Dispositivo di assemblaggio semplificato per l'allestimento di regoli e/0 strutture che li contengono realizzati in carta, cartone e
US10625536B2 (en) * 2018-06-06 2020-04-21 Konstantinos Martinos Document case and template with decorative cover

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025767A (en) * 1959-02-18 1962-03-20 John B Ruffalo Paper slide rule calculator
US3711014A (en) * 1971-08-16 1973-01-16 J Tucker Personal portfolio computer
US3902656A (en) * 1973-12-06 1975-09-02 Rothchild Printing Company Inc Slide calculator construction
US4233768A (en) * 1978-09-21 1980-11-18 Bromberg Howard M Slide calculator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025767A (en) * 1959-02-18 1962-03-20 John B Ruffalo Paper slide rule calculator
US3711014A (en) * 1971-08-16 1973-01-16 J Tucker Personal portfolio computer
US3902656A (en) * 1973-12-06 1975-09-02 Rothchild Printing Company Inc Slide calculator construction
US4233768A (en) * 1978-09-21 1980-11-18 Bromberg Howard M Slide calculator

Also Published As

Publication number Publication date
IT8868100A0 (it) 1988-12-09
IT1223984B (it) 1990-09-29
EP0372607A2 (en) 1990-06-13

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