Patent FR778357A successfully refreshed from Google Patents.
FR778357A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for obtaining, in cameras, the automatic concordance of the diaphragm apertures and the corresponding shooting speeds
Assignee: Simon De Peyerimhoff
•
Filing: 1933-12-05
•
Granted: 1935-03-15
•
Expires: 1953-12-05
Abstract
No abstract record available.
Inventors
- 👤 Simon De Peyerimhoff
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 16:10
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.