US3197944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary adsorber having intermittent movement
Assignee: C I HAYES Inc
•
Filing: 1961-08-07
•
Granted: 1965-08-03
•
Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Westeren
- 👤 Carl G Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:28
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D2253/00; B01D2253/10; B01D2253/116; B01D2256/00; B01D2256/10; B01D2257/00; B01D2257/50; B01D2257/504; B01D2257/80; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40088; B01D53/26; B01D53/261; Y; Y02; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1602500A
Cited
US2237684A
Cited
US2224079A
Cited
US2541694A
Cited
US2507607A
Cited
US2617986A
Cited
US2639000A
Cited
US2614561A
Cited
GB777233A
Cited
US2894542A
Cited
US2921970A
Cited
US2975860A
Cited
US3016106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |