Patent US4101095A successfully refreshed from Google Patents.
Patent US3476864A successfully refreshed from Google Patents.
Patent DE858951C successfully refreshed from Google Patents.
Patent US2887937A successfully refreshed from Google Patents.
US2887937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable lens for photographic apparatus
Assignee: Individual
•
Filing: 1955-07-15
•
Granted: 1959-05-26
•
Expires: 1975-07-15
Abstract
No abstract record available.
Inventors
- 👤 Gebele Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:30
CPC Classifications
G; G03; G03B; G03B3/00; G03B3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE523785A
Cited
US883607A
Cited
US1678119A
Cited
US1687123A
Cited
US1689268A
Cited
US2190729A
Cited
US2087020A
Cited
DE666365C
Cited
US2480973A
Cited
FR1001432A
Cited
US2527800A
Cited
US2527781A
Cited
US2596328A
Cited
US2649024A
Cited
US2716930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |