US3011415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with a built-in electrical light meter
Assignee: Voigtlander AG
•
Filing: 1960-03-04
•
Granted: 1961-12-05
•
Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 Fischer Oskar
- 👤 Greger Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:11
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04; G03B7/08; G03B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061909A
Cited
US2206626A
Cited
FR806416A
Cited
US2188820A
Cited
US2838985A
Cited
US2923216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |