US3061992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas treatment by adsorption
Assignee: Individual
•
Filing: 1958-12-12
•
Granted: 1962-11-06
•
Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 George F Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:22
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0423; B01D53/0454; C; C10; C10G; C10G5/00; C10G5/02; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/104; B01D2253/106; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40088; B01D2259/4009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB283508A
Cited
US1912784A
Cited
GB504227A
Cited
GB572677A
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US2629460A
Cited
US2535902A
Cited
US2910139A
Cited
US2919764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |