US2693137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mounted lens camera
Assignee: Individual
•
Filing: 1951-01-10
•
Granted: 1954-11-02
•
Expires: 1971-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick L O Rochrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:38
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1884733A
Cited
US2245606A
Cited
US2185508A
Cited
US2204819A
Cited
US2315284A
Cited
US2575536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |