US2840659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture electric circuit control apparatus
Assignee: Individual
•
Filing: 1954-12-21
•
Granted: 1958-06-24
•
Expires: 1974-12-21
Abstract
No abstract record available.
Inventors
- 👤 Cooley Hal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:32
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1254436A
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US1929518A
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US1953538A
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US1793772A
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GB336786A
Cited
US1909765A
Cited
GB602035A
Cited
US2473468A
Cited
US2650962A
Cited
US2674009A
Cited
US2769873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |