US2562334A
Expired / Lapsed
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Regeneration of an adsorptive bed containing constituents with a high vapor pressure
Assignee: Elliott Co
•
Filing: 1950-09-26
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Granted: 1951-07-31
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Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Roberts Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:28
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/103; B01J20/30; B01J20/34; B01J20/3433; B01J20/3483; B01D2253/00; B01D2253/10; B01D2253/106; B01D2257/00; B01D2257/50; B01D2257/504; B01D2257/70; B01D2257/702; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40086; B01D2259/402; B01J2220/00; B01J2220/50; B01J2220/56; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |