DE844404C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Double exposure lock on photographic cameras
Assignee: Voigtlander AG
•
Filing: 1951-01-18
•
Granted: 1952-07-21
•
Expires: 1971-01-18
Abstract
No abstract record available.
Inventors
- 👤 Paul Greger
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 05:39
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/42
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.