US2737249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crash-fire ignition source inerting system
Assignee: Individual
•
Filing: 1954-05-14
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Granted: 1956-03-06
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Expires: 1974-05-14
Abstract
No abstract record available.
Inventors
- 👤 Pinkel Isadore Irving
- 👤 Dugald O Black
- 👤 Preston George Merritt
- 👤 Pesman Gerard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:30
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/07; A62C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF PREVENTING CRASH-FIRE IN VEHICLES EMPOLYING INTERNAL COMBUSTION ENGINES INCLUDING A FUEL INDUCTION SYSTEM, AN EXHAUST SYSTEM AND AN IGNITION SYSTEM, COMPRISING THE STEPS OF STOPPING THE SUPPLY OF FUEL TO SAID INDUCTION SYSTEM, INJECTING AN INERT QUENCH GAS INTO SAID INDUCTION SYSTEM, AND DISABLING THE IGNITION SYSTEM, THE DISABLING OF THE IGNITION SYSTEM SUCCEEDING THE CUT-OFF OF FUEL SUPPLY BY A TIME INTERVAL OF ABOUT EIGHTTENTHS SECOND SUFFICIENT TO BURN COMBUSTIBLE FUEL MIXTURES IN SAID ENGINE.
Claim 2
Independent Claim
79 words
A METHOD OF PREVENTING CRASH-FIRE IN VEHICLES EMPOLYING INTERNAL COMBUSTION ENGINES INCLUDING A FUEL INDUCTION SYSTEM, AN EXHAUST SYSTEM AND AN IGNITION SYSTEM, COMPRISING THE STEPS OF STOPPING THE SUPPLY OF FUEL TO SAID INDUCTION SYSTEM, INJECTING AN INERT QUENCH GAS INTO SAID INDUCTION SYSTEM, AND DISABLING THE IGNITION SYSTEM, THE DISABLING OF THE IGNITION SYSTEM SUCCEEDING THE CUT-OFF OF FUEL SUPPLY BY A TIME INTERVAL OF ABOUT EIGHTTENTHS SECOND SUFFICIENT TO BURN COMBUSTIBLE FUEL MIXTURES IN SAID ENGINE.
References Cited (Backward Citations)
US2566235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |