US3388873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film rewind for motion picture projector
Assignee: Individual
•
Filing: 1966-09-08
•
Granted: 1968-06-18
•
Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Rosenbaum Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:50
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3292875A
Cited
US1119489A
Cited
US1134664A
Cited
US1183705A
Cited
US1507258A
Cited
US2182723A
Cited
US2335179A
Cited
US3153517A
Cited
US3239159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |