Patent US2736215A successfully refreshed from Google Patents.
US3136673A
Expired / Lapsed
US
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Method and bonding agent for retreading pneumatic tire casings
Assignee: Bridgestone Bandag LLC
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Filing: 1961-05-01
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Granted: 1964-06-09
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Roy J Carver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:30
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54; B29D30/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF RETREADING THE ROAD-ENGAGING SURFACE OF A RUBBER TIRE COMPRISING APPLYING A PERFORMED VULCANIZED RUBBER TREAD STRIP TO SAID ROAD-ENGAGING SURFACE, INTERPOSING BETWEEN SAID ROAD-ENGAGING SURFACE AND SAID PERFORMED THREAD STRIP A PERFORMED STRIP OF SUBSTANTIALLY UNIFORM THICKNESS COMPRISING UNVULCANIZED RUBBER CONTAINING ONE COMPONENT OF A TWO-COMPONENT SELF-BONDING COMPOSITION CAPABLE OF VULCANIZING AT TEMPERATURES BELOW ABOUT 150*C. AND A SECOND PREFORMED STRIP OF SUBSTANTIALLY UNIFORM THICKNESS COMPRISING UNVULCANIZED RUBBER CONTAINING THE SECOND COMPONENT OF SAID SELF-BONDING COMPOSITION, BUT TWO COMPONENTS BEING NORMALLY IN A
Claim 2
Independent Claim
86 words
A METHOD OF RETREADING THE ROAD-ENGAGING SURFACE OF A RUBBER TIRE COMPRISING APPLYING A PERFORMED VULCANIZED RUBBER TREAD STRIP TO SAID ROAD-ENGAGING SURFACE, INTERPOSING BETWEEN SAID ROAD-ENGAGING SURFACE AND SAID PERFORMED THREAD STRIP A PERFORMED STRIP OF SUBSTANTIALLY UNIFORM THICKNESS COMPRISING UNVULCANIZED RUBBER CONTAINING ONE COMPONENT OF A TWO-COMPONENT SELF-BONDING COMPOSITION CAPABLE OF VULCANIZING AT TEMPERATURES BELOW ABOUT 150*C. AND A SECOND PREFORMED STRIP OF SUBSTANTIALLY UNIFORM THICKNESS COMPRISING UNVULCANIZED RUBBER CONTAINING THE SECOND COMPONENT OF SAID SELF-BONDING COMPOSITION, BUT TWO COMPONENTS BEING NORMALLY IN A
References Cited (Backward Citations)
US2495175A
Cited
US2639258A
Cited
US2803283A
Cited
US2713884A
Cited
US2984281A
Cited
US3063891A
Cited
US2976910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |