US3585155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fly ash-asphalt mixtures
Assignee: Sunoco Inc
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Filing: 1968-01-25
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Granted: 1971-06-15
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Expires: 1988-01-25
Abstract
Abstract NOVEL CURED PRODUCTS OF ASPHALT AND FLY ASH ARE PRODUCED BY COMPRESSION AND HEAT-CURING OF MIXTURES OF ASPHALT AND FLY ASH.
Inventors
- 👤 Elmer J Hollstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:54
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/26; C08; C08L; C08L95/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S106/00; Y10S106/01; Y10S521/00; Y10S521/919
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |