US2653914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reclaiming scrap vulcanized material using an olefin as reclaiming agent
Assignee: U S Rubber Reclaiming Co Inc
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Filing: 1951-09-12
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Granted: 1953-09-29
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Expires: 1971-09-12
Abstract
No abstract record available.
Inventors
- 👤 Elgin Joseph Clifton
- 👤 Edward F Sverdrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:21
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/18; C08J11/20; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE PROCESS OF RECLAIMING SCRAP VULCANIZED MATERIAL WHICH COMPRISES MECHANICALLY WORKING THE SCRAP UNDER COMPACTING PRESSURE TO GENERATE HEAT SUFFICIENT TO RAISE THE TEMPERATURE TO OVER ABOUT 325* F. AS IT MOVES FORWARD PROGRESSIVELY AT A RATE OF NOT LESS THAN ABOUT 50 POUNDS PER HOUR IN THE PRESENCE OF AN UNSATURATED HYDROCARBON OF THE CLASS CONSISTING OF HEXENES, HEPTENES, AND OCTENES.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |