Patent US2477235A successfully refreshed from Google Patents.
US2477235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera with photoelectric cell diaphragm opening indicator
Assignee: Individual
•
Filing: 1945-03-01
•
Granted: 1949-07-26
•
Expires: 1965-03-01
Abstract
No abstract record available.
Inventors
- 👤 Broido Jacques Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:07
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1993084A
Cited
US2060089A
Cited
US2194031A
Cited
US2058532A
Cited
US2183768A
Cited
US2095312A
Cited
US2157660A
Cited
US2169927A
Cited
US2210882A
Cited
US2225351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |