Patent US2499686A successfully refreshed from Google Patents.
US1965366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture apparatus
Assignee: RCA Corp
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Filing: 1930-11-04
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Granted: 1934-07-03
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Expires: 1950-11-04
Abstract
No abstract record available.
Inventors
- 👤 Freeman L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:11
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/18
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) | 1937-07-02 | 1938-01-01 | 1938-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-02 | 1942-01-01 | 1942-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-02 | 1946-01-01 | 1946-07-03 | $7700.00 | Window Closed / Lapsed |