US2467946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric camera exposure control apparatus having planetary gears and concentric camera lens
Assignee: Individual
•
Filing: 1946-02-16
•
Granted: 1949-04-19
•
Expires: 1966-02-16
Abstract
No abstract record available.
Inventors
- 👤 Peter F Rossmann
- 👤 Rath Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:00
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04; G03B7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2194031A
Cited
DE660602C
Cited
US2194152A
Cited
US2305294A
Cited
US2341393A
Cited
US2387466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |