ES168868A2 - IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT - Google Patents

IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT

Info

Publication number
ES168868A2
ES168868A2 ES0168868A ES168868A ES168868A2 ES 168868 A2 ES168868 A2 ES 168868A2 ES 0168868 A ES0168868 A ES 0168868A ES 168868 A ES168868 A ES 168868A ES 168868 A2 ES168868 A2 ES 168868A2
Authority
ES
Spain
Prior art keywords
improvements made
reflective
generatrix
joined
combination
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.)
Expired
Application number
ES0168868A
Other languages
Spanish (es)
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
Priority to ES0168868A priority Critical patent/ES168868A2/en
Publication of ES168868A2 publication Critical patent/ES168868A2/en
Expired legal-status Critical Current

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  • Overhead Projectors And Projection Screens (AREA)

Abstract

Mejoras en la patente principal nº 154.869 caracterizada porque la pantalla reflectora estará compuesta por la combinación de dos o más superficies cilíndricas reflectoras de generatríz cualquiera unidas por sus líneas de intersección.Improvements in main patent No. 154,869 characterized in that the reflective screen will be composed of the combination of two or more reflective cylindrical surfaces of any generatrix joined by their intersection lines.

ES0168868A 1945-01-26 1945-01-26 IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT Expired ES168868A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0168868A ES168868A2 (en) 1945-01-26 1945-01-26 IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0168868A ES168868A2 (en) 1945-01-26 1945-01-26 IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT

Publications (1)

Publication Number Publication Date
ES168868A2 true ES168868A2 (en) 1945-03-01

Family

ID=38426147

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0168868A Expired ES168868A2 (en) 1945-01-26 1945-01-26 IMPROVEMENTS MADE WITH THE PURPOSE OF THE PATENT

Country Status (1)

Country Link
ES (1) ES168868A2 (en)

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