US3402998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes for desulfurizing fuels
Assignee: Individual
•
Filing: 1966-06-09
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Granted: 1968-09-24
•
Expires: 1986-06-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Squires
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/523; C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/0404; C01B17/06; C01B17/16; C01B17/165; C10; C10G; C10G19/00; C10K; C10K1/00; C10K1/20; C10K1/26; C10K1/30
Claims Analysis
Total Claims: 0
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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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |