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US3487868A
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US
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Renewed heavy-duty tire
Assignee: Brad Ragan Inc
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Filing: 1967-03-01
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Granted: 1970-01-06
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Bradley E Ragan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:48
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA521174A
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US1917261A
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US2228212A
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CH239310A
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US2459757A
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US2542871A
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US2689200A
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US2697472A
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US3136673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |