US3498192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera having an automatic flashphotography means
Assignee: Canon Inc
•
Filing: 1967-04-28
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Granted: 1970-03-03
•
Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 Tadashi Ito
- 👤 Kanehiro Sorimachi
- 👤 Mutsuhide Matsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/16; G03B7/08; G03B7/12; G03B9/00; G03B9/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3344724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |