US3331671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transforming materials by pyrogenic techniques
Assignee: Individual
•
Filing: 1964-08-19
•
Granted: 1967-07-18
•
Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 William D Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:55
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06; C30; C30B; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
APPARATUS FOR PYROGENIC TRANSFORMATION OF MATERIALS HAVING A HEATING ZONE, AN EXIT FROM SAID HEATING ZONE, FEEDING MEANS FOR FEEDING MATERIAL TO SAID HEATING ZONE, MEANS FOR PRODUCING A HIGH-TEMPERATURE HIGH-VELOCITY GAS, MEANS FOR DIRECTING SAID HIGH-TEMPERATURE HIGH-VELOCITY GAS TO SAID HEATING ZONE, SAID MEANS FOR PRODUCING A HIGHTEMPERATURE HIGH-VELOCITY GAS INCLUDING A COMBUSTION CHAMBER, MEANS FOR INTRODUCING GAS TO SAID COMBUSTION CHAMBER, RESTRICTING MEANS ON SAID COMBUSTION CHAMBER FOR RESSTRICTING THE OUTWARD FLOW OF GAS FROM SAID COMBUSTION CHAMBER, THE ARRANGEMENT BEING SUCH THAT MATERIAL FED INTO SAID HEATING ZONE WILL BE ENGAGED BY SAID HIGHTEMPERATURE HIGH-VELOCITY GAS FROM SAID COMBUSTION CHAMBER, AND THE MATERIAL IN ITS PYROGENICALLY CHANGED FORM WILL BE CARRIED BY SAID HIGH-TEMPERATURE HIGH-VELOCITY GAS THROUGH SAID EXIT.
Claim 2
Dependent Claim
122 words
APPARATUS FOR PYROGENIC TRANSFORMATION OF MATERIALS HAVING A HEATING ZONE, AN EXIT FROM SAID HEATING ZONE, FEEDING MEANS FOR FEEDING MATERIAL TO SAID HEATING ZONE, MEANS FOR PRODUCING A HIGH-TEMPERATURE HIGH-VELOCITY GAS, MEANS FOR DIRECTING SAID HIGH-TEMPERATURE HIGH-VELOCITY GAS TO SAID HEATING ZONE, SAID MEANS FOR PRODUCING A HIGHTEMPERATURE HIGH-VELOCITY GAS INCLUDING A COMBUSTION CHAMBER, MEANS FOR INTRODUCING GAS TO SAID COMBUSTION CHAMBER, RESTRICTING MEANS ON SAID COMBUSTION CHAMBER FOR RESSTRICTING THE OUTWARD FLOW OF GAS FROM SAID COMBUSTION CHAMBER, THE ARRANGEMENT BEING SUCH THAT MATERIAL FED INTO SAID HEATING ZONE WILL BE ENGAGED BY SAID HIGHTEMPERATURE HIGH-VELOCITY GAS FROM SAID COMBUSTION CHAMBER, AND THE MATERIAL IN ITS PYROGENICALLY CHANGED FORM WILL BE CARRIED BY SAID HIGH-TEMPERATURE HIGH-VELOCITY GAS THROUGH SAID EXIT.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |