FR398194A - Dispositif permettant d'améliorer les qualités optiques des objectifs, et pouvant remplacer ces derniers - Google Patents

Dispositif permettant d'améliorer les qualités optiques des objectifs, et pouvant remplacer ces derniers

Info

Publication number: FR398194A
Authority: FR; France
Prior art keywords: objectives; replace; improve; device making; optical qualities
Prior art date: 1908-12-29
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

Inventor

Jean-Marcel Mascart

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.)

JEAN-MARCEL MASCART

Original Assignee

JEAN-MARCEL MASCART

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.)

1908-12-29

Filing date

1908-12-29

Publication date

1909-05-28

1908-12-29 Application filed by JEAN-MARCEL MASCART filed Critical JEAN-MARCEL MASCART

1909-05-28 Application granted granted Critical

1909-05-28 Publication of FR398194A publication Critical patent/FR398194A/fr

Status Expired legal-status Critical Current

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR398194T		1908-12-29

Publications (1)

Publication Number	Publication Date
FR398194A true FR398194A (fr)	1909-05-28

Family

ID=1443225

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR398194D Expired FR398194A (fr)	1908-12-29	1908-12-29	Dispositif permettant d'améliorer les qualités optiques des objectifs, et pouvant remplacer ces derniers

Country Status (1)

Country	Link
FR (1)	FR398194A (fr)

1908
- 1908-12-29 FR FR398194D patent/FR398194A/fr not_active Expired

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