US3188366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating process
Assignee: Individual
•
Filing: 1962-01-17
•
Granted: 1965-06-08
•
Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Charles S Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:04
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/12; F23D14/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A METHOD OF RAPIDLY HEATING MATERIAL IN A COMPLETELY PROTECTIVE ATMOSPHERE COMPRISING THE STEPS OF: PROVIDING AN INTEGRAL, COMPRESSIBLE LAYER OF FIBROUS REFRACTORY MATERIAL INTERENGAGED AND COMPRESSED TO FORM MYRIADS OF MINUTE PASSAGES, SAID LAYER BEING COMPRESSED UNIFORMLY, AND SUFFICIENTLY TO PREVENT ANY COMBUSTION BENEATH SAID SURFACE IN SAID LAYER TO CUASE INFRARED GLOW WHEN A COMBUSTIBLE GASEOUS MIXTURE IS FORCED THERETHROUGH AND COMBUSTED, THE FIBERS ON THE SURFACE OF SAID LAYER BEING PRESSED FLAT AGAINST SAID SURFACE WITH A FINE MESH SCREEN TO PREVENT EXTENSION OF INDIVIDUAL FIBERS AND GLOWING THEREOF; FORCING A MIXTURE OF PRESSURIZED COMBUSTIBLE GAS AND AIR THROUGH SAID LAYER; CONTINUOUSLY COMBUSTING SAID MIXTURE AFTER EMERGENCE THEREOF FROM THE SURFACE OF SAID LAYER AND FORM ING A CONTINUOUS, SUBSTANTIALLY THICK MANTLE OF HIGH TEMPERATURE, AIR-EXCLUDING FLUE GASES OVER THE ENTIRE SURFACE OF SAID LAYER, WHILE MAINTAINING SAID SURFACE BLUE AND COMPLETELY FREE OF GLOW AND RADIANT HEAT; AND INSERTING THE MATERIAL TO BE HEATED INTO SAID MANTLE CLOSELY ADJACENT SAID SURFACE FOR A SHORT INTERVAL OF TIME.
Claim 2
Independent Claim
171 words
A METHOD OF RAPIDLY HEATING MATERIAL IN A COMPLETELY PROTECTIVE ATMOSPHERE COMPRISING THE STEPS OF: PROVIDING AN INTEGRAL, COMPRESSIBLE LAYER OF FIBROUS REFRACTORY MATERIAL INTERENGAGED AND COMPRESSED TO FORM MYRIADS OF MINUTE PASSAGES, SAID LAYER BEING COMPRESSED UNIFORMLY, AND SUFFICIENTLY TO PREVENT ANY COMBUSTION BENEATH SAID SURFACE IN SAID LAYER TO CUASE INFRARED GLOW WHEN A COMBUSTIBLE GASEOUS MIXTURE IS FORCED THERETHROUGH AND COMBUSTED, THE FIBERS ON THE SURFACE OF SAID LAYER BEING PRESSED FLAT AGAINST SAID SURFACE WITH A FINE MESH SCREEN TO PREVENT EXTENSION OF INDIVIDUAL FIBERS AND GLOWING THEREOF; FORCING A MIXTURE OF PRESSURIZED COMBUSTIBLE GAS AND AIR THROUGH SAID LAYER; CONTINUOUSLY COMBUSTING SAID MIXTURE AFTER EMERGENCE THEREOF FROM THE SURFACE OF SAID LAYER AND FORM ING A CONTINUOUS, SUBSTANTIALLY THICK MANTLE OF HIGH TEMPERATURE, AIR-EXCLUDING FLUE GASES OVER THE ENTIRE SURFACE OF SAID LAYER, WHILE MAINTAINING SAID SURFACE BLUE AND COMPLETELY FREE OF GLOW AND RADIANT HEAT; AND INSERTING THE MATERIAL TO BE HEATED INTO SAID MANTLE CLOSELY ADJACENT SAID SURFACE FOR A SHORT INTERVAL OF TIME.
References Cited (Backward Citations)
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US1331022A
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US1830826A
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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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |