Patent US2773540A successfully refreshed from Google Patents.
US2773540A
Expired / Lapsed
US
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Method for manufacturing endless v-type belts
Assignee: Dayton Rubber Co
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Filing: 1952-12-23
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Granted: 1956-12-11
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Expires: 1972-12-23
Abstract
No abstract record available.
Inventors
- 👤 Dale L Waugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:30
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1931309A
Cited
US2067400A
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US2024443A
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US2268865A
Cited
US2392373A
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US2442037A
Cited
US2598158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |