Patent US3329419A successfully refreshed from Google Patents.
US3329419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving pallet sintering apparatus and method
Assignee: CONVERSION SYSTEMS OF PENNSYLVANIA Inc
•
Filing: 1963-11-08
•
Granted: 1967-07-04
•
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
2026-11-09 03:16
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.
References Cited (Backward Citations)
US916393A
Cited
US916397A
Cited
US1206397A
Cited
US1471402A
Cited
US1704681A
Cited
US2005082A
Cited
US1934986A
Cited
US2245136A
Cited
US2506569A
Cited
US3066031A
Cited
US3203761A
Cited
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 |