US3416293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur adsorption
Assignee: CATALYSTS and CHEM Inc
•
Filing: 1967-06-22
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Granted: 1968-12-17
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 Larry G Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:22
CPC Classifications
C; C10; C10L; C10L3/00; C10L3/06; C10L3/10; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; C01; C01B; C01B32/00; C01B32/30; C01B32/312; C01B32/342; C01B32/348; C01B32/354; C01B32/36; C07; C07C; C07C7/00; C07C7/12; C10K; C10K1/00; C10K1/20; Y; Y10; Y10S; Y10S95/00; Y10S95/90; Y10S95/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2551905A
Cited
US3199946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |