US3418045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittently operated movie film projector for projecting still pictures
Assignee: Individual
•
Filing: 1966-08-24
•
Granted: 1968-12-24
•
Expires: 1986-08-24
Abstract
No abstract record available.
Inventors
- 👤 Edward J Rovsek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/22; G03B21/00; G03B21/14; G03B21/32; G03B21/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2971435A
Cited
US1087083A
Cited
US2368779A
Cited
US2587123A
Cited
US2790349A
Cited
US3136209A
Cited
US3295427A
Cited
US3301628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |