Patent US2841991A successfully refreshed from Google Patents.
US2615205A
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Method of processing vulcanizable elastomer compounds
Assignee: AT&T Inc
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Filing: 1949-05-13
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Granted: 1952-10-28
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Expires: 1969-05-13
Abstract
No abstract record available.
Inventors
- 👤 Alvin N Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/421; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/36; B29C48/395; B29C48/50; B29C48/505; B29C48/56; B29C48/78; B29C48/80; B29C48/83; B29C48/834; B29C48/88; B29C48/919; B29C35/00; B29C35/16; B29C2035/1616; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/34; B29L2031/3462
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF PROCESSING A HIGHLY ACCELERATED, VULCANIZABLE ELASTOMER COMPOUND INCLUDING A VULCANIZABLE ELASTOMER, A CURING AGENT AND OTHER INGREDIENTS, WHICH COMPRISES WORKING TOGETHER IN A MIXER ALL THE INGREDIENTS OF SUCH A COMPOUND ONLY TO THE EXTENT NECESSARY TO DISPERSE THE OTHER INGREDIENTS IN THE ELASTOMER AND TO EFFECT A PART OF THE BREAKDOWN NECESSARY TO MAKE THE COMPOUND SMOOTHLY AND UNIFORMLY EXTRUDABLE, THEN BEFORE INCIPIENT VULCANIZATION OCCURS COOLING THE ENTIRE MASS OF THE COMPOUND TO ROOM TEMPERATURE, INTRODUCING THE COMPOUND INTO AN EXTRUDER AT ROOM TEMPERATURE, CONTINU-
Claim 2
Independent Claim
89 words
THE METHOD OF PROCESSING A HIGHLY ACCELERATED, VULCANIZABLE ELASTOMER COMPOUND INCLUDING A VULCANIZABLE ELASTOMER, A CURING AGENT AND OTHER INGREDIENTS, WHICH COMPRISES WORKING TOGETHER IN A MIXER ALL THE INGREDIENTS OF SUCH A COMPOUND ONLY TO THE EXTENT NECESSARY TO DISPERSE THE OTHER INGREDIENTS IN THE ELASTOMER AND TO EFFECT A PART OF THE BREAKDOWN NECESSARY TO MAKE THE COMPOUND SMOOTHLY AND UNIFORMLY EXTRUDABLE, THEN BEFORE INCIPIENT VULCANIZATION OCCURS COOLING THE ENTIRE MASS OF THE COMPOUND TO ROOM TEMPERATURE, INTRODUCING THE COMPOUND INTO AN EXTRUDER AT ROOM TEMPERATURE, CONTINU-
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |