US2794006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pan process of reclaiming rubber
Assignee: Hercules Powder Co
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Filing: 1955-01-10
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Granted: 1957-05-28
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Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Edward A Naudain
- 👤 Clyde H Boys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:36
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/18; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
IN THE PAN PROCESS OF RECLAIMING A RUBBER WHEREIN A GROUND RUBBER SCRAP ADMIXED WITH RECLAIMING OILS IS SUBJECTED TO THE REACTION OF LIVE STEAM UNDER PRESSURE, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID SCRAPE FROM 1 TO 49% BY WEIGHT OF SUBSTANTIALLY PETROLEUM HYDROCARBON-INSOLUBLE PINE WOOD RESIN BASED ON THE WEIGHT OF SCRAP.
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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |