US2611151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making transmission belts
Assignee: Wingfoot Corp
•
Filing: 1948-11-12
•
Granted: 1952-09-23
•
Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Mary H Carter
- 👤 Marvin L Dorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:34
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/10; B29C; B29C33/00; B29C45/00; B29C45/14; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2098395A
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US2060322A
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US2429994A
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US2465580A
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US2422266A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |