Patent US169132A successfully refreshed from Google Patents.
Patent US3377936A successfully refreshed from Google Patents.
US3377936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy loading apparatus for film supply for photographic cameras
Assignee: Canon Inc
•
Filing: 1965-07-22
•
Granted: 1968-04-16
•
Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Goshima Takeshi
- 👤 Ohtaki Syohei
- 👤 Kinoshita Natsuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:49
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; G03B2217/00; G03B2217/26; G03B2217/261
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |