US2641848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying granular material
Assignee: Thoreson-Mccosh Inc
•
Filing: 1949-06-22
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Granted: 1953-06-16
•
Expires: 1969-06-22
Abstract
No abstract record available.
Inventors
- 👤 Oran C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
B; B28; B28B; B28B17/00; B28B17/02; B28B17/026; B28C; B28C1/00; B28C1/10; B28C1/14; B28C1/22; B28C1/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1910793A
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US2535829A
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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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |