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US2844070A
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Automatic apparatus for controlling synchronization of different film feeding mechanisms
Assignee: VITARAMA CORP
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Filing: 1954-10-25
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Granted: 1958-07-22
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Dresser Willis Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:02
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/04; G03B37/00; G03B37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1718387A
Cited
US1932600A
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US2022902A
Cited
US1969465A
Cited
US2280206A
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US2679187A
Cited
US2693127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |