US3033074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film guide structure for cinemato-graphic apparatus
Assignee: Individual
•
Filing: 1956-12-21
•
Granted: 1962-05-08
•
Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Schaefer Knut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:59
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2103369A
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US2490920A
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US2703034A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |