US3011931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite rubber article
Assignee: Phillips Petroleum Co
•
Filing: 1957-03-27
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Granted: 1961-12-05
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Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
- 👤 Paul G Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:15
CPC Classifications
B; B60; B60C; B60C1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A RUBBER TIRE COMPRISING A TREAD COMPRISING SULFUR AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF A MAJOR PROPORTION OF 1,3-BUTADIENE AND A MINOR PROPORTION OF 2-METHYL-5-VINYLPYRIDINE AND A CARCASS COMPRISING A MIXTURE OF SULFUR, A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF A MAJOR PROPORTION OF 1,3-BUTADIENE AND A MINOR PROPORTION OF STYRENE AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF A MAJOR PROPORTION OF 1,3-BUTADIENE AND A MINOR PROPORTION OF 2-METHYL-5-VINYLPYRIDINE, THE AMOUNT OF SAID SECOND COPOLYMER IN SAID MIXTURE BEING 25 TO 50 WEIGHT PERCENT OF SAID MIXTURE, THE TREAD AND CARCASS OF SAID TIRE HAVING APPROXIMATELY THE SAME CURING PROPERTIES.
Claim 2
Dependent Claim
115 words
A RUBBER TIRE COMPRISING A TREAD COMPRISING SULFUR AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF A MAJOR PROPORTION OF 1,3-BUTADIENE AND A MINOR PROPORTION OF 2-METHYL-5-VINYLPYRIDINE AND A CARCASS COMPRISING A MIXTURE OF SULFUR, A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF A MAJOR PROPORTION OF 1,3-BUTADIENE AND A MINOR PROPORTION OF STYRENE AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF A MAJOR PROPORTION OF 1,3-BUTADIENE AND A MINOR PROPORTION OF 2-METHYL-5-VINYLPYRIDINE, THE AMOUNT OF SAID SECOND COPOLYMER IN SAID MIXTURE BEING 25 TO 50 WEIGHT PERCENT OF SAID MIXTURE, THE TREAD AND CARCASS OF SAID TIRE HAVING APPROXIMATELY THE SAME CURING PROPERTIES.
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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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |