Patent US2766633A successfully refreshed from Google Patents.
US2766633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism for film processing machines
Assignee: Individual
•
Filing: 1953-06-15
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Granted: 1956-10-16
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Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Clayton E Wall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:25
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/135; G03D3/137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US831523A
Cited
US1666766A
Cited
GB421789A
Cited
US2096231A
Cited
US2146170A
Cited
US2244313A
Cited
US2343961A
Cited
US2579741A
Cited
US2665130A
Cited
US2627381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |