US3329419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving pallet sintering apparatus and method
Assignee: CONVERSION SYSTEMS OF PENNSYLVANIA Inc
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Filing: 1963-11-08
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Granted: 1967-07-04
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Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Bolton L Corson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:54
CPC Classifications
F; F27; F27B; F27B21/00; F27B21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A METHOD OF HEAT TREATING A SOLID MATERIAL CONTAINING FUEL FOR COMBUSTION DURING SAID HEAT TREATMENT COMPRISING PLACING A MASS OF SAID SOLID MATERIAL AND FUEL FOR COMBUSTION IN A RECEPTACLE HAVING A PERFORATE BOTTOM, IGNITING THE FUEL IN THE BOTTOM LAYERS OF SAID MATERIAL BY PERIODICALLY HEATING SAID BOTTOM LAYERS AND BY SUPPLYING UPWARDLY THROUGH SAID PERFORATE BOTTOM OF SAID RECEPTACLE A COMBUSTION-SUPPORTING GAS, AND THEREAFTER DISCONTINUING APPLICATION OF HEAT TO SAID BOTTOM LAYERS WHILE CONTINUING TO SUPPLY COMBUSTION-SUPPORTING GAS UPWARDLY THROUGH THE PERFORATE BOTTOM OF SAID RECEPTACLE THEREBY CAUSING COMBUSTION OF THE FUEL IN SAID MATERIAL TO PROGRESS UPWARDLY THROUGH SAID MASS OF MATERIAL.
Claim 2
Independent Claim
106 words
A METHOD OF HEAT TREATING A SOLID MATERIAL CONTAINING FUEL FOR COMBUSTION DURING SAID HEAT TREATMENT COMPRISING PLACING A MASS OF SAID SOLID MATERIAL AND FUEL FOR COMBUSTION IN A RECEPTACLE HAVING A PERFORATE BOTTOM, IGNITING THE FUEL IN THE BOTTOM LAYERS OF SAID MATERIAL BY PERIODICALLY HEATING SAID BOTTOM LAYERS AND BY SUPPLYING UPWARDLY THROUGH SAID PERFORATE BOTTOM OF SAID RECEPTACLE A COMBUSTION-SUPPORTING GAS, AND THEREAFTER DISCONTINUING APPLICATION OF HEAT TO SAID BOTTOM LAYERS WHILE CONTINUING TO SUPPLY COMBUSTION-SUPPORTING GAS UPWARDLY THROUGH THE PERFORATE BOTTOM OF SAID RECEPTACLE THEREBY CAUSING COMBUSTION OF THE FUEL IN SAID MATERIAL TO PROGRESS UPWARDLY THROUGH SAID MASS OF MATERIAL.
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |