Patent US3085759A successfully refreshed from Google Patents.
Patent US4290408A successfully refreshed from Google Patents.
US4290408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory lattice and fabrication
Assignee: Individual
•
Filing: 1979-01-22
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Granted: 1981-09-22
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Expires: 1999-01-22
Abstract
Abstract A refractory lattice for use in cooking above a flame source and below a cooking zone includes: (a) a series of integrally interconnected refractory bodies forming a generally horizontally extending lattice, (b) metallic members projecting lengthwise through multiple of said bodies and confined within the lattice to reinforce same, (c) whereby the bodies will be heated by flames rising from said source to radiate heat upwardly to the cooking zone, and the metallic members will not be directly exposed to said flames. The bodies are typically arranged in regular pattern over the lattice, and openings are formed at regular intervals over the lattice, and between the bodies.
Inventors
- 👤 George C. Juett
- 👤 Donald H. Rez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:12
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/067; A47J37/0682
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
146 words
In combination with an upper grille to support an edible, and a flame source spaced below the grille, the grille supported by a shell, the improvement comprising (a) a series of integrally interconnected refractory briquettes forming a generally horizontally extending lattice spaced below the grille and above said flame source. (b) metallic members projecting lengthwise through multiple of said briquettes and confined within the lattice to reinforce same, said members protected against direct flame contact by extents of said refractory briquettes therebeneath, (c) whereby the briquettes will be heated by flames rising from said source to radiate heat upwardly to the cooking zone, and the metallic members will not be directly exposed to said flames, (d) said briquettes being arranged in rows and columns, and there being vertical openings formed through the lattice, between diagonally related briquettes, said openings also spaced apart in rows and columns.
Claim 2
Dependent Claim
146 words
In combination with an upper grille to support an edible, and a flame source spaced below the grille, the grille supported by a shell, the improvement comprising (a) a series of integrally interconnected refractory briquettes forming a generally horizontally extending lattice spaced below the grille and above said flame source. (b) metallic members projecting lengthwise through multiple of said briquettes and confined within the lattice to reinforce same, said members protected against direct flame contact by extents of said refractory briquettes therebeneath, (c) whereby the briquettes will be heated by flames rising from said source to radiate heat upwardly to the cooking zone, and the metallic members will not be directly exposed to said flames, (d) said briquettes being arranged in rows and columns, and there being vertical openings formed through the lattice, between diagonally related briquettes, said openings also spaced apart in rows and columns.
Claim 3
Dependent Claim
29 words
The refractory lattice of claim 1 wherein said briquettes are interconnected at reduced thickness junctions below upwardly diverging grooves which extend in the directions of said rows and columns.
Claim 4
Dependent Claim
25 words
The refractory lattice of claim 2 wherein said members extend in the directions of said rows and columns and form a grid within the briquettes.
Claim 5
Dependent Claim
14 words
The refractory lattice of claim 1 wherein said briquettes form a one-piece unitary lattice.
Claim 6
Dependent Claim
49 words
The improvement of claim 1 including a lightweight plastic mold extending protectively under the lattice and at the sides thereof, there being mold cores extending upwardly through said openings and projecting from levels below said metallic members to levels above said members, said cores everywhere spaced from said members.
Claim 7
Dependent Claim
13 words
The combination of claim 5 including a package about the mold and lattice.
References Cited (Backward Citations)
US236647A
Cited
US495872A
Cited
US2135342A
Cited
US2907129A
Cited
US3220856A
Cited
US3375816A
Cited
US3618181A
Cited
US3937138A
Cited
US4068649A
Cited
US4165355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-21 | 1985-03-23 | 1985-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-21 | 1989-03-23 | 1989-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-21 | 1993-03-23 | 1993-09-22 | $7700.00 | Window Closed / Lapsed |