Patent US2620016A successfully refreshed from Google Patents.
US2620016A
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US
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Method of making flexible power transmission belts
Assignee: Raybestos Manhattan Inc
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Filing: 1951-09-08
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Granted: 1952-12-02
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Expires: 1971-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr James Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:29
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/10; B29D29/103; F; F16; F16G; F16G5/00; F16G5/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T156/1039; Y10T156/1041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1656628A
Cited
US2065180A
Cited
GB509567A
Cited
US2336149A
Cited
US2294821A
Cited
US2392373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |