US3159209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Altering the heat content of solid materials
Assignee: Midland Ross Corp
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Filing: 1961-03-28
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Granted: 1964-12-01
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Expires: 1981-03-28
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Dailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:16
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE METHOD OF ALTERING THE HEAT CONTENT OF A STREAM OF SOLID MATERIAL CAPABLE OF FORMING A FLUENT GAS-PERVIOUS MASS AND REMOVING SMALL PARTICLES ASSOCIATED WITH SAID MATERIAL WHICH COMPRISES, IN COMBINATION, THE STEPS OF: ADDING A STREAM OF SAID MATERIAL TO THE TOP OF A VERTICAL HOLLOW SHAFT TO FORM A FLUENT GAS-PERVIOUS BED THEREIN HAVING A STOCKLINE; PERMITTING A STREAM OF SAID MATERIAL TO PASS FROM THE BOTTOM OF SAID SHAFT BY MEANS OF GRAVITY WHEREBY TO CAUSE THE FLOW OF MATERIAL THROUGH THE SHAFT FROM THE TOP TO BOTTOM THEREOF; ADDING A STREAM OF COMPRESSED GASEOUS HEAT TRANSFER MEDIUM TO SAID SHAFT AT A POINT SUBSTANTIALLY REMOTE FROM THE TOP THEREOF; WITHDRAWING A STREAM OF SUBSTANTIALLY DECOMPRESSED GASEOUS HEAT TRANSFER MEDIUM FROM SAID SHAFT AT A POINT ADJACENT THE
Claim 2
Independent Claim
132 words
THE METHOD OF ALTERING THE HEAT CONTENT OF A STREAM OF SOLID MATERIAL CAPABLE OF FORMING A FLUENT GAS-PERVIOUS MASS AND REMOVING SMALL PARTICLES ASSOCIATED WITH SAID MATERIAL WHICH COMPRISES, IN COMBINATION, THE STEPS OF: ADDING A STREAM OF SAID MATERIAL TO THE TOP OF A VERTICAL HOLLOW SHAFT TO FORM A FLUENT GAS-PERVIOUS BED THEREIN HAVING A STOCKLINE; PERMITTING A STREAM OF SAID MATERIAL TO PASS FROM THE BOTTOM OF SAID SHAFT BY MEANS OF GRAVITY WHEREBY TO CAUSE THE FLOW OF MATERIAL THROUGH THE SHAFT FROM THE TOP TO BOTTOM THEREOF; ADDING A STREAM OF COMPRESSED GASEOUS HEAT TRANSFER MEDIUM TO SAID SHAFT AT A POINT SUBSTANTIALLY REMOTE FROM THE TOP THEREOF; WITHDRAWING A STREAM OF SUBSTANTIALLY DECOMPRESSED GASEOUS HEAT TRANSFER MEDIUM FROM SAID SHAFT AT A POINT ADJACENT THE
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |