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US3382084A
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US
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Asphalt binder pitch
Assignee: Union Oil Company of California
•
Filing: 1964-12-11
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Granted: 1968-05-07
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Hillis O Folkins
- 👤 John W Walsh
- 👤 Theodore R Embach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:16
CPC Classifications
C; C08; C08L; C08L95/00; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C10; C10C; C10C3/00; C10C3/005; H; H05; H05B; H05B7/00; H05B7/02; H05B7/06; H05B7/08; H05B7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA664517A
Cited
US3124471A
Cited
US2502183A
Cited
US2772219A
Cited
US2838386A
Cited
US3035308A
Cited
US3288701A
Cited
US3284334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |