US2534814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of asbestos-rubber compositions
Assignee: Raybestos Manhattan Inc
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Filing: 1948-08-07
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Granted: 1950-12-19
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Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
- 👤 D Olier George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:10
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12; C08J2321/00; C08J2321/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A METHOD OF FORMING ASBESTOS-RUBBER COMPOSITIONS AND WHEREIN RUBBER IS ADMIXED WITH FIBROUS ASBESTOS ONLY IN THE FORM OF A LATEX OF A RUBBERY MATERIAL FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, BUTADIENE-ARCYLONITRILE COPOLYMER AND POLYCHLOROPRENE, THE STEPS WHICH COMPRISE INHIBITING THE COAGULATION OF SAID LATEX BY FIRST THOROUGHLY COATING AND ADMIXING THE ASBESTOS FIBERS WITH A SOLVENT FOR SAID RUBBERY MATERIAL AND THEN ADDING AND ADMIXING SAID LATEX THEREWITH.
Claim 2
Dependent Claim
73 words
IN A METHOD OF FORMING ASBESTOS-RUBBER COMPOSITIONS AND WHEREIN RUBBER IS ADMIXED WITH FIBROUS ASBESTOS ONLY IN THE FORM OF A LATEX OF A RUBBERY MATERIAL FROM THE GROUP CONSISTING OF NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, BUTADIENE-ARCYLONITRILE COPOLYMER AND POLYCHLOROPRENE, THE STEPS WHICH COMPRISE INHIBITING THE COAGULATION OF SAID LATEX BY FIRST THOROUGHLY COATING AND ADMIXING THE ASBESTOS FIBERS WITH A SOLVENT FOR SAID RUBBERY MATERIAL AND THEN ADDING AND ADMIXING SAID LATEX THEREWITH.
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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |