Patent US2884982A successfully refreshed from Google Patents.
US2884982A
Expired / Lapsed
US
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Butyl rubber tire tread compositions, process for preparation and tire containing such composition
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-05-26
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Granted: 1959-05-05
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Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 William J Sparks
- 👤 Robert E Clayton
- 👤 John R Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:22
CPC Classifications
B; B60; B60C; B60C1/00; B60C1/0008; Y; Y10; Y10S; Y10S152/00; Y10S152/905
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
IN A TIRE, THE COMBINATION COMPRISING AN OPENBELLIED BODY TERMINATING IN SPACED BEAD PORTIONS, AIR SEALING MEANS AT SAID BEAD PORTIONS, AND A TREAD AREA INTERMEDIATE OF SAID BEAD PORTIONS WHEREIN SAID TREAD AREA COMPRISES A VULCANIZED MIXTURE OF A MAJOR PROPORTION OF UNVULCANIZED ISOOLEFIN-MULTIOLEFIN BUTYL RUBBER COPOLYMER AND A MINOR PROPORTION OF UNRECLAIMED COMMINUTED VULCANIZED ISOOLEFIN-MULTIOLEFIN BUTYL RUBBER COPOLYMER SCRAP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |