US1797274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-picture camera
Assignee: Individual
•
Filing: 1928-09-19
•
Granted: 1931-03-24
•
Expires: 1948-09-19
Abstract
No abstract record available.
Inventors
- 👤 Oscar A Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:00
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/22; G03B9/00; G03B9/08; G03B9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-03-23 | 1934-09-22 | 1935-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-23 | 1938-09-22 | 1939-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-23 | 1942-09-22 | 1943-03-24 | $7700.00 | Window Closed / Lapsed |