US2962457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polythiirane-rubber compositions
Assignee: Union Carbide Corp
•
Filing: 1958-04-15
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Granted: 1960-11-29
•
Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Mackinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A VULCANIZABLE COMPOSITION COMPRISING A VULCANIZABLE RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBERS AND SYNTHETIC DIENE POLYMERS, A POLYTHIIRANE HAVING MORE THAN ONE
Claim 2
Dependent Claim
25 words
A VULCANIZABLE COMPOSITION COMPRISING A VULCANIZABLE RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBERS AND SYNTHETIC DIENE POLYMERS, A POLYTHIIRANE HAVING MORE THAN ONE
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |