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US2711668A
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Control for synchronizing motion picture projectors
Assignee: VITARAMA CORP
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Filing: 1952-11-19
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Granted: 1955-06-28
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Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 Dresser Willis Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:48
CPC Classifications
G; G03; G03B; G03B31/00; H; H02; H02P; H02P5/00; H02P5/46; H02P5/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |