US3230635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dryer and heater for granular material
Assignee: Harry W Dietert Co
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Filing: 1963-09-23
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Granted: 1966-01-25
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Randolph L Dietert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:21
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/18; F; F26; F26B; F26B17/00; F26B17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
GRANULAR MATERIAL CONDITIONING APPARATUS INCLUDING A MILL IN WHICH GRANULAR MATERIAL IS CONDITIONED, SEPARATING STRUCTURE INCLUDING AN ELONGATED OPEN TOP TROUGH HAVING OPENINGS THROUGH THE BOTTOM OF A PORTION THEREOF FOR SEPARATING A SAMPLE OF GRANULAR MATERIAL FED THERETO FROM THE MILL, SAMPLE FEEDING STRUCTURE POSITIONED BETWEEN THE MILL AND SEPARATING STRUCTURE FOR FEEDING A SAMPLE FOR GRANULAR MATERIAL TO THE SEPARATING STRUCTURE, AND COMPENSATING STRUCTURE FOR THE SAMPLE OF GRANULAR MATERIAL INCLUDING A CHIMNEY POSITIONED OVER THE OPENINGS THROUGH THE PORTION OF THE TROUGH INCLUDING BAFFLES THEREIN FOR CONTROLLING THE FLOW OF GRANULAR MATERIAL BLOWN INTO THE CHIMNEY FROM THE TROUGH, MEANS FORMING A CHAMBER BENEATH THE PORTION OF THE TROUGH, AND MEANS FOR BLOWING A CONDITIONED GAS UNDER PRESSURE INTO THE CHAMBER AND THROUGH THE OPENINGS IN SAID TROUGH TO BLOW THE SAMPLE OF GRANULAR MATERIAL PASSED THROUGH THE TROUGH INTO THE CHIMNEY WHEREBY THE GRANULAR MATERIAL IS COMPENSATED FOR A RELATIVELY SHORT DISTANCE OF TRAVEL THROUGH THE SEPARATING STRUCTURE.
Claim 2
Dependent Claim
162 words
GRANULAR MATERIAL CONDITIONING APPARATUS INCLUDING A MILL IN WHICH GRANULAR MATERIAL IS CONDITIONED, SEPARATING STRUCTURE INCLUDING AN ELONGATED OPEN TOP TROUGH HAVING OPENINGS THROUGH THE BOTTOM OF A PORTION THEREOF FOR SEPARATING A SAMPLE OF GRANULAR MATERIAL FED THERETO FROM THE MILL, SAMPLE FEEDING STRUCTURE POSITIONED BETWEEN THE MILL AND SEPARATING STRUCTURE FOR FEEDING A SAMPLE FOR GRANULAR MATERIAL TO THE SEPARATING STRUCTURE, AND COMPENSATING STRUCTURE FOR THE SAMPLE OF GRANULAR MATERIAL INCLUDING A CHIMNEY POSITIONED OVER THE OPENINGS THROUGH THE PORTION OF THE TROUGH INCLUDING BAFFLES THEREIN FOR CONTROLLING THE FLOW OF GRANULAR MATERIAL BLOWN INTO THE CHIMNEY FROM THE TROUGH, MEANS FORMING A CHAMBER BENEATH THE PORTION OF THE TROUGH, AND MEANS FOR BLOWING A CONDITIONED GAS UNDER PRESSURE INTO THE CHAMBER AND THROUGH THE OPENINGS IN SAID TROUGH TO BLOW THE SAMPLE OF GRANULAR MATERIAL PASSED THROUGH THE TROUGH INTO THE CHIMNEY WHEREBY THE GRANULAR MATERIAL IS COMPENSATED FOR A RELATIVELY SHORT DISTANCE OF TRAVEL THROUGH THE SEPARATING STRUCTURE.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |