US3485746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur removal from hydrocarbons
Assignee: RTX Corp
•
Filing: 1967-09-26
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Granted: 1969-12-23
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Expires: 1987-09-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Setzer
- 👤 Richard W Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:25
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/06; H01M8/0662; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/50; C10; C10G; C10G45/00; C10G45/02; C10G45/24; C10G45/26; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |