Patent US3012471A successfully refreshed from Google Patents.
US3012471A
Expired / Lapsed
US
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Motion picture camera and projector construction
Assignee: Revere Camera Co
•
Filing: 1956-04-16
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Granted: 1961-12-12
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Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert B Herden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:09
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18; G03B21/00; G03B21/14; G03B21/32
Claims Analysis
Total Claims: 0
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |