US2409234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Revivifying adsorptive material
Assignee: Standard Oil Co
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Filing: 1940-12-31
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Granted: 1946-10-15
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Expires: 1960-12-31
Abstract
No abstract record available.
Inventors
- 👤 Maurice H Arveson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:10
CPC Classifications
C; C10; C10G; C10G25/00; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/12; B01J20/30; B01J20/34; B01J20/3433; B01J20/345; B01J20/3458; B01J20/3475; B01J20/3483; C01; C01B; C01B32/00; C01B32/30; C01B32/354; C01B32/36
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) | 1949-10-14 | 1950-04-15 | 1950-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-14 | 1954-04-15 | 1954-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-14 | 1958-04-15 | 1958-10-15 | $7700.00 | Window Closed / Lapsed |