US2968640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising styrene-butadiene elastomer, carbon black, an aminothiazole disulfide and a cadmium compound and method for curing same
Assignee: Goodrich Corp
•
Filing: 1959-01-19
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Granted: 1961-01-17
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Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Earl C Gregg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47; C08K3/00; C08K3/10; C08K3/105; Y; Y10; Y10S; Y10S273/00; Y10S273/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE COMPOSITION COMPRISING A MIXTURE OF 100 PARTS BY WEIGHT OF A STYRENE-BUTADIENE RUBBER, FROM ABOUT 20 TO 60 PARTS BY WEIGHT OF CARBON BLACK, FROM ABOUT 0.5 TO ABOUT 10 PARTS BY WEIGHT OF AN AMINOTHIAZOLE DISULFIDE CONFORMING TO THE STRUCTURE
Claim 2
Dependent Claim
42 words
THE COMPOSITION COMPRISING A MIXTURE OF 100 PARTS BY WEIGHT OF A STYRENE-BUTADIENE RUBBER, FROM ABOUT 20 TO 60 PARTS BY WEIGHT OF CARBON BLACK, FROM ABOUT 0.5 TO ABOUT 10 PARTS BY WEIGHT OF AN AMINOTHIAZOLE DISULFIDE CONFORMING TO THE STRUCTURE
References Cited (Backward Citations)
US2476818A
Cited
US2835670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |