Stoves and furnaces – Stoves – Cooking
Reexamination Certificate
2000-10-26
2003-07-08
Bennett, Henry (Department: 3743)
Stoves and furnaces
Stoves
Cooking
C126S04100R, C126S190000
Reexamination Certificate
active
06588415
ABSTRACT:
FIELD OF THE INVENTION
The present invention is drawn to a one-piece hood for an outdoor grill. More particularly, the invention is to a gas grill that includes a one piece hood formed with side recesses. Additionally, the disclosed grill includes a contoured control panel and side tables that can be teardrop shaped.
BACKGROUND INFORMATION
Prior art gas grills suffer from various deficiencies. Hoods on gas grills must usually be cast in a relatively costly manner in order to have sufficient strength to prevent warping due to heat. U.S. Pat. No. 4,989,579 to Murphy et al., U.S. Pat. No. D415,388 to Wagner et al., and U.S. Pat No. D420,244 to Pai disclose the use of conventional stepped and angled ridges that are often incorporated into cast aluminum hoods in order to taper the hood for both material savings and better heat circulation (see column 3, line 66 to column 4, line 26 of Murphy et al.). FIG. 1 of U.S. Pat. No. 5,163,358 to Hanagan et al. discloses a similar ridge element depending vertically from the top wall and slanting to the front wall. These ridges inherently stiffen the walls against bending, but none of this art suggest the desirability of stiffening along the entire perimeter of a side wall.
U.S. Pat. Nos. D237,856 to Madson et al. and U.S. Pat. No. D229,660 to Gammon disclose hoods with semicircular side walls that are indented, but only adjacent to the curved upper portions of the walls. The “indentation” continues to the bottom edge to be coextensive with the bottom of the side wall perimeter and therefore not “adjacent” to the perimeter along that portion. Additionally, Madson et al. does not have an indentation of a substantially uniform depth and Gammon does not disclose a hood formed in one piece. As design patents, neither Madson et al. nor Gammon suggests any reasons or advantages of this design, beyond ornamentation.
BRIEF SUMMARY OF THE INVENTION
It is an object of the invention to provide an outdoor grill that includes a one-piece hood formed with side recesses that provide strength to resist warping under heating conditions.
It is another object of the invention to provide a grill hood that is both durable and attractive, yet inexpensive to produce.
REFERENCES:
patent: 383830 (1888-05-01), Shumay
patent: 2483269 (1949-09-01), Fender
patent: 3559633 (1971-02-01), Born et al.
patent: 3623651 (1971-11-01), Marcan
patent: 3938494 (1976-02-01), Clark
patent: 4113095 (1978-09-01), Dietz et al.
Chi Lin Fong
Neal Bill G.
Barrow James G.
Bennett Henry
McGuireWoods LLP
Meco Corporation
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