US2248956A
Expired / Lapsed
US
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Method and means for adsorption of condensables from fuel gases
Assignee: Beazer East Inc
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Filing: 1939-08-02
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Granted: 1941-07-15
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Expires: 1959-08-02
Abstract
No abstract record available.
Inventors
- 👤 George M Carvlin
- 👤 William O Keeling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:34
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; B01D53/261; B01D53/02; B01D53/04; C; C07; C07C; C07C7/00; C07C7/12; C10; C10G; C10G5/00; C10G5/02; B01D2253/00; B01D2253/10; B01D2253/104; B01D2258/00; B01D2258/06; B01D2259/00; B01D2259/40; B01D2259/402
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) | 1944-07-14 | 1945-01-13 | 1945-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-14 | 1949-01-13 | 1949-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-14 | 1953-01-13 | 1953-07-15 | $7700.00 | Window Closed / Lapsed |