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US2876558A
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Apparatus for treating particulate material with gaseous media
Assignee: Individual
•
Filing: 1956-01-18
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Granted: 1959-03-10
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Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Lowe Edison
- 👤 Everett L Durkee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:54
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/03; A23B4/031; A23B2/00; A23B2/40; A23B2/42; A23B2/425; A23B2/80; A23B2/803; A23B2/90; A23B2/95; A23B4/044; A23B4/052; A23B4/14; A23B4/16; A23B7/00; A23B7/04; A23B7/0408; A23B7/06; A23B7/14; A23B7/144; A23B9/00; A23B9/16; A23B9/18; B; B01; B01J; B01J8/00; B01J8/08; B01J8/10; F; F25; F25D; F25D3/00; F25D3/10; F25D3/11; F26; F26B; F26B17/00; F26B17/02; F26B25/00; F26B25/04
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) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |