US2945724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disengaging granular solids from lifting gas
Assignee: Sunoco Inc
•
Filing: 1958-03-06
•
Granted: 1960-07-19
•
Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 William L Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:36
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US167602A
Cited
US2796947A
Cited
GB190716416A
Cited
GB326546A
Cited
US2244372A
Cited
US2694605A
Cited
US2674499A
Cited
US2695197A
Cited
US2717181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |