US3392833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recovering a clarified effluent from the discharge of a hot water process treatment of bituminous sand
Assignee: Great Canadian Oil Sands Ltd
•
Filing: 1966-07-22
•
Granted: 1968-07-16
•
Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert A Baillie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:44
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/681; C10; C10C; C10C3/00; C10C3/007; C10G; C10G1/00; C10G1/04; C10G1/047; Y; Y10; Y10T; Y10T137/00; Y10T137/402
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |