US1945029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical light dividing system
Assignee: CINECOLOR Co OF AMERICA I
•
Filing: 1930-01-08
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Granted: 1934-01-30
•
Expires: 1950-01-08
Abstract
No abstract record available.
Inventors
- 👤 Daponte Demetre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:30
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/10; G02B27/1006; G02B27/1013; G02B27/14; G02B27/143; G02B27/144
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) | 1937-01-29 | 1937-07-31 | 1938-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-29 | 1941-07-31 | 1942-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-29 | 1945-07-31 | 1946-01-30 | $7700.00 | Window Closed / Lapsed |