US2854906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film control gear for photographic cameras
Assignee: Voigtlander AG
•
Filing: 1955-10-31
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Granted: 1958-10-07
•
Expires: 1975-10-31
Abstract
No abstract record available.
Inventors
- 👤 Lachmann Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:22
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189314927A
Cited
US2104094A
Cited
US2148636A
Cited
US2301956A
Cited
US2365690A
Cited
GB709981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |