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US3302687A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas pilot light

Assignee: Hydro Combustion Corp
•
Filing: 1965-09-13
•
Granted: 1967-02-07
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Expires: 1985-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Erwin G Gjerde

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:57
CPC Classifications
F; F23; F23Q; F23Q9/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 172 words
A PILOT LIGHT ESPECIALLY ADAPTED FOR USE IN A HIGH VELOCITY AIR STREAM, COMPRISING: A BODY HAVING A FIRST PAIR OF OPPOSED VERTICAL SIDE WALLS CONNECTED AT THEIR LOWER ENDS BY A HORIZONTAL BOTTOM WALL, THE UNDERSIDE OF SAID BOTTOM WALL FACING SAID AIR STREAM, SAID BODY ALSO HAVING A SECOND PAIR OF VERTICAL SIDE WALLS CONNECTING SAID FIRST SIDE WALLS, THE LOWER ENDS OF SAID SECOND SIDE WALLS BEING SPACED UPWARDLY FROM THE LOWER END OF SAID FIRST SIDE WALLS TO DEFINE A PAIR OF AIR INLETS EXPOSED TO SAID AIR STREAM, WITH THE UPPER END OF SAID SECOND SIDE WALLS BEING BENT INWARDLY OVER THE UPPER END OF SAID FIRST SIDE WALLS TO DEFINE A PAIR OF OPPOSED LIPS, THE SPACE BETWEEN SAID LIPS BEING OPEN, AND THE LOWER END OF SAID SECOND SIDE WALLS BEING TURNED HORIZONTALLY INWARDLY TO DEFINE A PAIR OF SHELVES AND THEN DOWNWARDLY AND OUTWARDLY TO DEFINE A PAIR OF LEGS, WITH THE SPACE BETWEEN THE SIDE WALLS ABOVE SAID SHELVES COMPRISING AN IGNITION CHAMBER;
Claim 2
Dependent Claim 172 words
A PILOT LIGHT ESPECIALLY ADAPTED FOR USE IN A HIGH VELOCITY AIR STREAM, COMPRISING: A BODY HAVING A FIRST PAIR OF OPPOSED VERTICAL SIDE WALLS CONNECTED AT THEIR LOWER ENDS BY A HORIZONTAL BOTTOM WALL, THE UNDERSIDE OF SAID BOTTOM WALL FACING SAID AIR STREAM, SAID BODY ALSO HAVING A SECOND PAIR OF VERTICAL SIDE WALLS CONNECTING SAID FIRST SIDE WALLS, THE LOWER ENDS OF SAID SECOND SIDE WALLS BEING SPACED UPWARDLY FROM THE LOWER END OF SAID FIRST SIDE WALLS TO DEFINE A PAIR OF AIR INLETS EXPOSED TO SAID AIR STREAM, WITH THE UPPER END OF SAID SECOND SIDE WALLS BEING BENT INWARDLY OVER THE UPPER END OF SAID FIRST SIDE WALLS TO DEFINE A PAIR OF OPPOSED LIPS, THE SPACE BETWEEN SAID LIPS BEING OPEN, AND THE LOWER END OF SAID SECOND SIDE WALLS BEING TURNED HORIZONTALLY INWARDLY TO DEFINE A PAIR OF SHELVES AND THEN DOWNWARDLY AND OUTWARDLY TO DEFINE A PAIR OF LEGS, WITH THE SPACE BETWEEN THE SIDE WALLS ABOVE SAID SHELVES COMPRISING AN IGNITION CHAMBER;

References Cited (Backward Citations)

US2282551A Cited
US2741302A Cited
US2959216A Cited
US3146823A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-06 1970-08-08 1971-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-06 1974-08-08 1975-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-06 1978-08-08 1979-02-07 $7700.00 Window Closed / Lapsed

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