Patent US2336879A successfully refreshed from Google Patents.
US2336879A
Expired / Lapsed
US
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Reactor
Assignee: Universal Oil Products Co
•
Filing: 1942-07-10
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Granted: 1943-12-14
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Expires: 1962-07-10
Abstract
No abstract record available.
Inventors
- 👤 Lev A Mekler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:43
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; Y; Y10; Y10S; Y10S165/00; Y10S165/051; Y10S165/052; Y10S165/06; Y10S165/061
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) | 1946-12-13 | 1947-06-14 | 1947-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-13 | 1951-06-14 | 1951-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-13 | 1955-06-14 | 1955-12-14 | $7700.00 | Window Closed / Lapsed |