Patent US1394470A successfully refreshed from Google Patents.
US3483153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing asphalt and petroleum compositions
Assignee: Phillips Petroleum Co
•
Filing: 1966-11-17
•
Granted: 1969-12-09
•
Expires: 1986-11-17
Abstract
No abstract record available.
Inventors
- 👤 Armin C Pitchford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:15
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/02; C10C3/026; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/092; C08K5/10; C08K5/101; C08K5/103; C08L; C08L91/00; C08L95/00; C08L2555/00; C08L2555/20; C08L2555/26; C08L2555/40; C08L2555/60; C08L2555/62; C08L2555/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3277038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |