US3422738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic exposure flash camera
Assignee: Citizen Holdings Co Ltd
•
Filing: 1965-07-13
•
Granted: 1969-01-21
•
Expires: 1985-07-13
Abstract
No abstract record available.
Inventors
- 👤 Tadamichi Mori
- 👤 Koji Tanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:51
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/083; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974433A
Cited
US1934484A
Cited
US3063354A
Cited
US3200723A
Cited
US3205803A
Cited
US3324779A
Cited
US3326103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |