FR434157A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number: FR434157A
Authority: FR; France
Prior art keywords: calculator
Prior art date: 1911-09-13
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.): Expired

Application number

Other languages

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.)

DALTON ADDING MACHINE CO

Original Assignee

DALTON ADDING MACHINE CO

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.)

1911-09-13

Filing date

1911-09-13

Publication date

1912-01-26

1911-09-13 Application filed by DALTON ADDING MACHINE CO filed Critical DALTON ADDING MACHINE CO

1912-01-26 Application granted granted Critical

1912-01-26 Publication of FR434157A publication Critical patent/FR434157A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
- G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
Computing Systems (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)

FR434157D 1911-09-13 1911-09-13 Machine à calculer Expired FR434157A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR434157T		1911-09-13

Publications (1)

Publication Number	Publication Date
FR434157A true FR434157A (fr)	1912-01-26

Family

ID=1476087

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR434157D Expired FR434157A (fr)	1911-09-13	1911-09-13	Machine à calculer

Country Status (1)

Country	Link
FR (1)	FR434157A (fr)

1911
- 1911-09-13 FR FR434157D patent/FR434157A/fr not_active Expired

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