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US3381736A
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Assignee: Dunlop Rubber Co Ltd
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Filing: 1966-02-23
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Granted: 1968-05-07
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Expires: 1986-02-23
Abstract
No abstract record available.
Inventors
- 👤 Ford Peter
- 👤 Hughes John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:21
CPC Classifications
B; B60; B60C; B60C15/00; B60C15/04; B29; B29C; B29C31/00; B29C31/04; B29C31/10; B29C39/00; B29C39/02; B29C39/04; B29C39/08; B29C39/22; B29C39/24; B29D; B29D30/00; B29D30/06; B29D30/0679; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; B29K; B29K2075/00; B29L; B29L2030/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1592671A
Cited
US2376085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |