Patent US3540906A successfully refreshed from Google Patents.
US3540906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-blown homogeneous asphalt composition containing hydroxy-terminated polydiene oil of high viscosity to penetration ratio
Assignee: Sinclair Research Inc
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Filing: 1967-04-06
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Granted: 1970-11-17
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Expires: 1987-04-06
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Fauber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:26
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2705703A
Cited
US2947697A
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US2906687A
Cited
US3048562A
Cited
US3265765A
Cited
US3275586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |