Patent US2809175A successfully refreshed from Google Patents.
US2809175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High sulphur rubber composition containing a resinous styrene/diene copolymer
Assignee: Goodyear Tire and Rubber Co
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Filing: 1953-06-24
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Granted: 1957-10-08
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Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harold S Sell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:55
CPC Classifications
C; C08; C08L; C08L21/00; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A VULCANIZABLE COMPOSITION COMPRISING A RUBBER SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF NATURAL RUBBER, REBBERY COPOLYMER OF BUTADIENE AND STYRENE, RUBBERY COPOLYMER OF BUTADIENE AND ACRYLONITRILE, AND POLYBUTADIENE, 16 TO 28 PARTS OF SULFUR, AND FROM ABOUT 5 PARTS TO NOT MORE THAN 100 PARTS OF A RESINOUS COPOLYMER OF STYRENE AND A DIENE HYDROCARBON, THE PARTS BEING PER 100 PARTS OF RUBBER.
Claim 2
Dependent Claim
67 words
A VULCANIZABLE COMPOSITION COMPRISING A RUBBER SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF NATURAL RUBBER, REBBERY COPOLYMER OF BUTADIENE AND STYRENE, RUBBERY COPOLYMER OF BUTADIENE AND ACRYLONITRILE, AND POLYBUTADIENE, 16 TO 28 PARTS OF SULFUR, AND FROM ABOUT 5 PARTS TO NOT MORE THAN 100 PARTS OF A RESINOUS COPOLYMER OF STYRENE AND A DIENE HYDROCARBON, THE PARTS BEING PER 100 PARTS OF RUBBER.
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |