Patent US3477776A successfully refreshed from Google Patents.
US3477776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zoom wide aperture lens
Assignee: Eastman Kodak Co
•
Filing: 1966-07-01
•
Granted: 1969-11-11
•
Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 William H Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:25
CPC Classifications
G; G02; G02B; G02B13/00; G02B15/00; G02B15/14; G02B15/145; G02B15/1451; G02B15/145125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1540752A
Cited
US1934561A
Cited
US2536508A
Cited
US2718817A
Cited
US3011401A
Cited
US3011402A
Cited
US3029700A
Cited
US3000259A
Cited
US3307898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |