Patent US2941413A successfully refreshed from Google Patents.
US2941413A
Expired / Lapsed
US
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Power transmission belts
Assignee: Day International Corp
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Filing: 1957-01-22
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Granted: 1960-06-21
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Walter E Huber
- 👤 Dale L Waugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:22
CPC Classifications
F; F16; F16G; F16G5/00; F16G5/20; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701507A
Cited
US2084784A
Cited
US2186180A
Cited
US2167384A
Cited
US2281148A
Cited
US2625828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |