FR854102A - Perfectionnements aux collimateurs - Google Patents

Perfectionnements aux collimateurs

Info

Publication number: FR854102A
Authority: FR; France
Prior art keywords: refinements; collimator; collimator refinements
Prior art date: 1938-12-12
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.)

Optique et Precision de Levallois SA

Original Assignee

Optique et Precision de Levallois SA

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.)

1938-12-12

Filing date

1938-12-12

Publication date

1940-04-05

1938-12-12 Application filed by Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA

1940-04-05 Application granted granted Critical

1940-04-05 Publication of FR854102A publication Critical patent/FR854102A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/14—Viewfinders

Landscapes

Physics & Mathematics (AREA)
Astronomy & Astrophysics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)

FR854102D 1938-12-12 1938-12-12 Perfectionnements aux collimateurs Expired FR854102A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR854102T		1938-12-12

Publications (1)

Publication Number	Publication Date
FR854102A true FR854102A (fr)	1940-04-05

Family

ID=9327515

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR854102D Expired FR854102A (fr)	1938-12-12	1938-12-12	Perfectionnements aux collimateurs

Country Status (1)

Country	Link
FR (1)	FR854102A (fr)

1938
- 1938-12-12 FR FR854102D patent/FR854102A/fr not_active Expired

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