US3654048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact bale comprising 1-15 parts by weight bitumen and 85-99 parts by weight of shredded municipal refuge
Assignee: Sunoco Inc
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Filing: 1970-04-13
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Granted: 1972-04-04
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Expires: 1990-04-13
Abstract
Abstract AFTER MUNICIPAL REFUSE IS COLLECTED, IT IS SHREDDED AND COMPRESSED INTO A BALE. THE DISTRIBUTION THROUGHOUT THE SHREDDED MUNICIPAL REFUSE OF AN ADDITIVE, PRIOR TO COMPRESSION, SUBSTANTIALLY IMPROVES THE PHYSICAL PROPERTIES OF THE COMPRESSED BALE. THE ADDITIVE CAN BE EITHER A BITUMEN OR BITUMEN CONTAINING A MINOR QUANTITY OF A PETROLEUM NAPHTHEMIC ACID OR A POLYOXYETHYLENE FATTY ALKYL-1,3PROPANEDIAMINE, SAID ADDITIVE HAVING A PAPER PEEL STRENGTH OF AT LEAST 0.4 POUND PER INCH AT 70*F.
Inventors
- 👤 Robert J Bathgate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:03
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3003; B30B9/3035; B01; B01J; B01J2/00; B01J2/28; B09; B09B; B09B3/00; B09B3/30; B09B3/32; Y; Y02; Y02W; Y02W30/00; Y02W30/20; Y10; Y10S; Y10S52/00; Y10S52/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |