US3320943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot burners
Assignee: Harper Wyman Co
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Filing: 1964-09-30
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Granted: 1967-05-23
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Brian G Crannell
- 👤 Norman R Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:10
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04; F24; F24C; F24C3/00; F24C3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A GAS RANGE, A COMPARTMENT HAVING A DOOR, A LOWER BAKE BURNER AND A HIGHER BOILER BURNER WHEREIN COMBUSTION PRODUCTS FROM THE BAKE BURNER RISE AT LEAST TO THE LEVEL OF THE BROILER BURNER, A REGION OF SUBSTANTIALLY UNCONTAMINATED FRESH AIR SPACED FROM THE PRODUCTS OF COMBUSTION FROM THE BAKE BURNER COMMUNICATING WITH AND SUBJECT TO PRESSURE FLUCTUATIONS IN THE COMPARTMENT, A PRIMARY AERATED CONTINUOUS GAS PILOT BURNER IN THE COMPARTMENT IN IGNITION RELATION TO THE BROILER BURNER, AND CONDUIT MEANS COMMUNICATING WITH THE PILOT BURNER AND HAVING AN AIR INLET AT SAID REGION OF FRESH AIR FOR SUPPLYING SUBSTANTIALLY UNCONTAMINATED PRIMARY AIR TO SAID PILOT BURNER.
Claim 2
Dependent Claim
108 words
IN A GAS RANGE, A COMPARTMENT HAVING A DOOR, A LOWER BAKE BURNER AND A HIGHER BOILER BURNER WHEREIN COMBUSTION PRODUCTS FROM THE BAKE BURNER RISE AT LEAST TO THE LEVEL OF THE BROILER BURNER, A REGION OF SUBSTANTIALLY UNCONTAMINATED FRESH AIR SPACED FROM THE PRODUCTS OF COMBUSTION FROM THE BAKE BURNER COMMUNICATING WITH AND SUBJECT TO PRESSURE FLUCTUATIONS IN THE COMPARTMENT, A PRIMARY AERATED CONTINUOUS GAS PILOT BURNER IN THE COMPARTMENT IN IGNITION RELATION TO THE BROILER BURNER, AND CONDUIT MEANS COMMUNICATING WITH THE PILOT BURNER AND HAVING AN AIR INLET AT SAID REGION OF FRESH AIR FOR SUPPLYING SUBSTANTIALLY UNCONTAMINATED PRIMARY AIR TO SAID PILOT BURNER.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |