Patent US2359660A successfully refreshed from Google Patents.
US2359660A
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System for reactivating adsorbents
Assignee: JF Pritchard and Co
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Filing: 1941-05-12
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Granted: 1944-10-03
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Expires: 1961-05-12
Abstract
No abstract record available.
Inventors
- 👤 Martin Henry Arthur
- 👤 Walter W Deschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:58
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/12; B01J20/30; B01J20/34; B01J20/3433; B01J20/345; B01J20/3475; B01J20/3483; B01J2220/00; B01J2220/50; B01J2220/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-03 | 1948-04-03 | 1948-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-03 | 1952-04-03 | 1952-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-03 | 1956-04-03 | 1956-10-03 | $7700.00 | Window Closed / Lapsed |