US2439043A
Expired / Lapsed
US
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Method of making endless belts
Assignee: Goodrich Corp
•
Filing: 1943-05-12
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Granted: 1948-04-06
•
Expires: 1963-05-12
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:47
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1031; Y10T156/1089; Y10T156/109; Y10T156/17; Y10T156/1702; Y10T156/1712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1661069A
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US1747856A
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US1924067A
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US2233294A
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US1969067A
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US2137887A
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US2239635A
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US2195126A
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US2287947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |