US2802725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endothermic gas generator
Assignee: Individual
•
Filing: 1955-05-11
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Granted: 1957-08-13
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Expires: 1975-05-11
Abstract
No abstract record available.
Inventors
- 👤 Victor V Kappel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:21
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74; C21D1/76; C21D1/763
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN ENDOTHERMIC GAS GENERATOR FOR PRODUCING A SPECIAL GASEOUS ATMOSPHERE COMPRISING A HEATING CHAMBER, MEANS FOR SUPPLYING A GAS MIXTURE UNDER PRESSURE TO ONE END OF A CATALYTIC CHAMBER DISPOSED IN SAID HEATING CHAMBER, AN ELONGATE COIL HAVING ONE END CONNECTED TO SAID CATALYTIC CHAMBER TO RECEIVE THE GENERATED GASES THEREFROM AND TO DETAIN SAID GASES THEREIN AT HIGH TEMPERATURE TO PREVENT A REVERSION THEREOF, A SECOND CATALYTIC CHAMBER DISPOSED WITHIN THE HEATING CHAMBER AND CONNECTED TO THE OTHER END OF SAID COIL TO RECEIVE THE GENERATED GASES THEREFROM AND COMPLETE THE DECOMPOSITION THEREOF INTO A SPECIAL GASEOUS ATMOSPHERE, SAID ELONGATE COIL AND SAID CONNECTIONS TO SAID CATALYTIC CHAMBERS BEING ENTIRELY WITHIN THE HEATING CHAMBER, AND MEANS CONNECTED TO THE OTHER END OF THE SECOND CATALYTIC CHAMBER TO RECEIVE SAID PRODUCED SPECIAL GASEOUS ATMOSPHERE.
Claim 2
Dependent Claim
134 words
AN ENDOTHERMIC GAS GENERATOR FOR PRODUCING A SPECIAL GASEOUS ATMOSPHERE COMPRISING A HEATING CHAMBER, MEANS FOR SUPPLYING A GAS MIXTURE UNDER PRESSURE TO ONE END OF A CATALYTIC CHAMBER DISPOSED IN SAID HEATING CHAMBER, AN ELONGATE COIL HAVING ONE END CONNECTED TO SAID CATALYTIC CHAMBER TO RECEIVE THE GENERATED GASES THEREFROM AND TO DETAIN SAID GASES THEREIN AT HIGH TEMPERATURE TO PREVENT A REVERSION THEREOF, A SECOND CATALYTIC CHAMBER DISPOSED WITHIN THE HEATING CHAMBER AND CONNECTED TO THE OTHER END OF SAID COIL TO RECEIVE THE GENERATED GASES THEREFROM AND COMPLETE THE DECOMPOSITION THEREOF INTO A SPECIAL GASEOUS ATMOSPHERE, SAID ELONGATE COIL AND SAID CONNECTIONS TO SAID CATALYTIC CHAMBERS BEING ENTIRELY WITHIN THE HEATING CHAMBER, AND MEANS CONNECTED TO THE OTHER END OF THE SECOND CATALYTIC CHAMBER TO RECEIVE SAID PRODUCED SPECIAL GASEOUS ATMOSPHERE.
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) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |