Patent US2939503A successfully refreshed from Google Patents.
US2939503A
Expired / Lapsed
US
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Building ply for pneumatic tires
Assignee: Cleveland Trust Co
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Filing: 1956-01-16
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Granted: 1960-06-07
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Adolf H Frohlich
- 👤 Edward J Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:39
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/0009; B60C15/0036; B60C15/0045; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/32; B60C5/00; B60C5/12; B60C9/00; B60C9/0007; B60C9/02; B60C9/04; B60C9/06; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR595158A
Cited
US2277145A
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US2499724A
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US2679277A
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US2541550A
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US2650642A
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US2754887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |