US2320562A
Expired / Lapsed
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Regeneration apparatus
Assignee: Standard Oil Co
•
Filing: 1940-12-20
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Granted: 1943-06-01
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Expires: 1960-12-20
Abstract
No abstract record available.
Inventors
- 👤 David W Bransky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:13
CPC Classifications
B; B01; B01J; B01J38/00; B01J38/04; B01J38/12; F; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7869; Y10T137/7871; Y10T137/7874; Y10T137/7898; Y10T137/7904; Y10T137/7922; Y10T137/7929
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) | 1946-05-31 | 1946-11-30 | 1947-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-31 | 1950-11-30 | 1951-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-31 | 1954-11-30 | 1955-06-01 | $7700.00 | Window Closed / Lapsed |