US3302687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas pilot light
Assignee: Hydro Combustion Corp
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Filing: 1965-09-13
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Granted: 1967-02-07
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Expires: 1985-09-13
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)
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 |