FR838237A - Objectifs photographiques perfectionnés - Google Patents

Objectifs photographiques perfectionnés

Info

Publication number: FR838237A
Authority: FR; France
Prior art keywords: photographic lenses; advanced photographic; advanced; lenses; photographic
Prior art date: 1937-05-22
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.)

Kodak Pathe SA

Original Assignee

Kodak Pathe 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.)

1937-05-22

Filing date

1938-05-21

Publication date

1939-03-01

1938-05-21 Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA

1939-03-01 Application granted granted Critical

1939-03-01 Publication of FR838237A publication Critical patent/FR838237A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only

Landscapes

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

FR838237D 1937-05-22 1938-05-21 Objectifs photographiques perfectionnés Expired FR838237A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US838237XA	1937-05-22	1937-05-22

Publications (1)

Publication Number	Publication Date
FR838237A true FR838237A (fr)	1939-03-01

Family

ID=22180931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR838237D Expired FR838237A (fr)	1937-05-22	1938-05-21	Objectifs photographiques perfectionnés

Country Status (1)

Country	Link
FR (1)	FR838237A (fr)

1938
- 1938-05-21 FR FR838237D patent/FR838237A/fr not_active Expired

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