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 09:08
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993084A
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US2060089A
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US2194031A
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US2058532A
Cited
US2183768A
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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 |