US2769504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating coffee roaster exhaust gas
Assignee: Cook Coffee Co
•
Filing: 1952-12-31
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Granted: 1956-11-06
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Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Earl M Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:26
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/08; H01C1/084; A; A23; A23N; A23N12/00; A23N12/08; B; B01; B01D; B01D49/00; Y; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE188698C
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US296791A
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GB554709A
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US2480230A
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US2656008A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |