US3552034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particle drying apparatus
Assignee: Universal Dynamics Corp
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Filing: 1968-06-17
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Granted: 1971-01-05
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Expires: 1988-06-17
Abstract
Abstract AN APPARATUS FOR DRYING PARTICULATE MATERIAL COMPRISING A VERTICAL DRYING CHAMBER HAVING A GAS INLET AND OUTLET AND A PARTICLE INLET AND OUTLET, A DESICCANT CHAMBER HOUSING REMOVABLE DESICCANT CARTRIDGES, AND MEANS FOR CIRCULATING DRYING GAS IN THE APPARATUS. A GAS-SOLID SEPA- RATOR, SUCH AS A FILTER OR CYCLONE MAY BE PROVIDED TO CLEAN THE RECIRCULATING GAS BEFORE IT ENTERS THE DESICCANT CHAMBER TO BE DRIED.
Inventors
- 👤 Ernest N May Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/122
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |