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US2772089A
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Variable pitch radial tooth sprocket
Assignee: Eastman Kodak Co
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Filing: 1952-05-01
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Granted: 1956-11-27
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Expires: 1972-05-01
Abstract
No abstract record available.
Inventors
- 👤 John G Streiffert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:39
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/34; G03; G03B; G03B1/00; G03B1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2098371A
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US2003029A
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US2122458A
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US2155518A
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US2133820A
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US2240083A
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US2268891A
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US2484446A
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US2487870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |