US2596501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprocket or the like
Assignee: New Britain Machine Co
•
Filing: 1947-02-14
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Granted: 1952-05-13
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Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Donald H Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:30
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/096; B62D55/0963; F; F16; F16D; F16D3/00; F16D3/50; F16D3/56; F16D3/58; F16H; F16H55/00; F16H55/02; F16H55/30; F16H2055/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190726488A
Cited
US1663803A
Cited
US1733771A
Cited
GB478676A
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US2238531A
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US2231769A
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US2252335A
Cited
US2457507A
Cited
US2477175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |