US2937582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera with built-in exposure meter
Assignee: Canon Inc
•
Filing: 1958-02-05
•
Granted: 1960-05-24
•
Expires: 1978-02-05
Abstract
No abstract record available.
Inventors
- 👤 Goshima Takeshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:28
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/099; G03B7/0993; G03B7/0997; G03B7/09971; G03B7/09977; G03B7/09976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2784654A
Cited
US2194031A
Cited
US2206626A
Cited
US2188820A
Cited
US2184016A
Cited
US2325463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |