Patent US4043312A successfully refreshed from Google Patents.
US4043312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barbecue grill
Assignee: Individual
•
Filing: 1975-09-15
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Granted: 1977-08-23
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Expires: 1995-09-15
Abstract
Abstract A gas fired barbecue grill is provided with a horizontal refractor insert mounting briquette-like elements of fireproof material between the burners and the grill to simulate a charcoal or similar fire and eliminate grease fires by preventing grease from dropping on the burners.
Inventors
- 👤 Eugene F. Kern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:27
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704; A47J37/0713
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
86 words
In a barbecue grill, a housing have an upwardly open fire box, a gas burner unit in said fire box, a grate for supporting meat mounted on said fire box above said burner unit, and a shield between said burner unit and said grate preventing cooking juices from dripping on said burner unit, said shield comprising a slab of refractory material reinforced with wire mesh and having lumps of refractory material permanently united with said slab and projecting upwardly from its top surface to simulate coals.
Claim 2
Dependent Claim
86 words
In a barbecue grill, a housing have an upwardly open fire box, a gas burner unit in said fire box, a grate for supporting meat mounted on said fire box above said burner unit, and a shield between said burner unit and said grate preventing cooking juices from dripping on said burner unit, said shield comprising a slab of refractory material reinforced with wire mesh and having lumps of refractory material permanently united with said slab and projecting upwardly from its top surface to simulate coals.
Claim 3
Dependent Claim
15 words
In a barbecue grill according to claim 1, said lumps being cemented to said slab.
Claim 4
Dependent Claim
19 words
In a barbecue grill according to claim 2, means supporting said insert from the sides of said fire box.
Claim 5
Dependent Claim
22 words
In a barbecue grill according to claim 3, said supporting means comprising a subgrate supported from the sides of said fire box.
Claim 6
Dependent Claim
153 words
In a barbecue grill, a housing having an upwardly open fire box, a gas burner unit in said fire box, a grate for supporting meat mounted on said fire box above said burner unit, and a shield between said burner unit and said grate preventing cooking juices from dripping on said burner unit, said shield comprising a slab of refractory material with lumps of refractory material projecting upwardlly from its top surface to simulate coals, said fire box having a bottom wall and an adjustable air supply vent in said bottom wall, said adjustable vent comprising a hole in said bottom wall of said fire box, a resilient metal strip anchored to said bottom wall at one side of said hole and biased by its resiliency to seal said hole, and selectively openable adjustable jacking means for urging the free end of said strip away from said bottom wall to unseal said hole.
Claim 7
Dependent Claim
153 words
In a barbecue grill, a housing having an upwardly open fire box, a gas burner unit in said fire box, a grate for supporting meat mounted on said fire box above said burner unit, and a shield between said burner unit and said grate preventing cooking juices from dripping on said burner unit, said shield comprising a slab of refractory material with lumps of refractory material projecting upwardlly from its top surface to simulate coals, said fire box having a bottom wall and an adjustable air supply vent in said bottom wall, said adjustable vent comprising a hole in said bottom wall of said fire box, a resilient metal strip anchored to said bottom wall at one side of said hole and biased by its resiliency to seal said hole, and selectively openable adjustable jacking means for urging the free end of said strip away from said bottom wall to unseal said hole.
Claim 8
Dependent Claim
20 words
In a barbecue grill according to claim 5, a lid for said fire box adapted to close the top thereof.
Claim 9
Dependent Claim
16 words
In a barbecue grill according to claim 6, a selectively adjustable outlet vent in said lid.
Claim 10
Dependent Claim
22 words
In a barbecue grill according to claim 1, said slab and said lumps being formed integrally from a single piece of material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-22 | 1981-02-21 | 1981-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-22 | 1985-02-21 | 1985-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-22 | 1989-02-21 | 1989-08-23 | $7700.00 | Window Closed / Lapsed |