Patent US1339671A successfully refreshed from Google Patents.
Patent US1366712A successfully refreshed from Google Patents.
US1366712A
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US
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Apparatus for recovering heat and solid particles in suspension from a drying-gas
Assignee: Corn Products Refining Co
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Filing: 1918-07-03
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Granted: 1921-01-25
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Expires: 1938-07-03
Abstract
No abstract record available.
Inventors
- 👤 Richard G Brindle
- 👤 Amos H Flint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:06
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/16; B01D1/18; Y; Y02; Y02P; Y02P70/00; Y02P70/10
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) | 1924-01-25 | 1924-07-26 | 1925-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-25 | 1928-07-26 | 1929-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-25 | 1932-07-26 | 1933-01-25 | $7700.00 | Window Closed / Lapsed |