US3236822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizable elastomeric composition comprising natural or synthetic rubber, sulfur and an accelerator
Assignee: Dow Chemical Co
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Filing: 1962-03-05
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Granted: 1966-02-22
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Lawrence F Sonnabend
- 👤 George B Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:50
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A VULCANIZABLE ELASTOMERIC COMPOSITION COMPRISING AN ELASTOMER CONSISTING ESSENTIALLY OF A RUBBER FROM THE GROUP CONSISTING OF NATURAL RUBBER, RUBBERY COPOLYMERS OF BUTADIENE AND STYRENE, RUBBERY COPOLYMERS OF BUTADIENE AND ACRYLONITRILE AND NEOPRENE, FROM ABOUT 0.5 TO ABOUT 5 PARTS PER 100 PARTS OF SAID ELASTOMER OF A COMPOUND OF THE FORMULA
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |