Patent US3714937A successfully refreshed from Google Patents.
US3714937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barbecue grill assembly
Assignee: THERMOS Co A CORP OF
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Filing: 1971-01-11
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Granted: 1973-02-06
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Expires: 1991-01-11
Abstract
Abstract A barbecue grill assembly comprising a lower enclosure member provided with a generally horizontally disposed food supporting grill, an upper enclosure member adapted to be mounted on the first member, and means for movably connecting the upper and lower enclosure members whereby the upper enclosure member is movable between a first position substantially covering the grill and a second position providing access to the grill, the last mentioned means including means for pivotably supporting the upper enclosure member and for translating the upper enclosure member relative to the lower enclosure member as the former member is moved between the first and second positions.
Inventors
- 👤 R Linstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:29
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
198 words
In combination in a barbecue grill assembly, a generally bowl-shaped lower enclosure member provided with a food supporting grill and defining an annular rim portion, a generally bowl-shaped upper enclosure member adapted to be mounted on said first member and having a rim portion of substantially the same diameter as said first-mentioned rim portion and adapted to bear directly thereon, and means for movably connecting said upper and lower enclosure members whereby said upper enclosure member is movable between a first position substantially covering said grill and a second position providing access to said grill, said last mentioned means including a pair of outwardly projecting, laterally aligned cylindrical elements affixed to said lower enclosure member directly below said rim portion thereof, and a pair of slotted hinge elements fixedly secured to said upper enclosure member and extending downwardly therefrom and having said cylindrical elements continually slidably disposed within the slots thereof when said upper enclosure member is in either of said first or second positions, whereby to guide said upper enclosure member during movement between said positions and positively retaining said upper enclosure member on said lower enclosure member regardless of the relative position of said upper member.
Claim 2
Dependent Claim
198 words
In combination in a barbecue grill assembly, a generally bowl-shaped lower enclosure member provided with a food supporting grill and defining an annular rim portion, a generally bowl-shaped upper enclosure member adapted to be mounted on said first member and having a rim portion of substantially the same diameter as said first-mentioned rim portion and adapted to bear directly thereon, and means for movably connecting said upper and lower enclosure members whereby said upper enclosure member is movable between a first position substantially covering said grill and a second position providing access to said grill, said last mentioned means including a pair of outwardly projecting, laterally aligned cylindrical elements affixed to said lower enclosure member directly below said rim portion thereof, and a pair of slotted hinge elements fixedly secured to said upper enclosure member and extending downwardly therefrom and having said cylindrical elements continually slidably disposed within the slots thereof when said upper enclosure member is in either of said first or second positions, whereby to guide said upper enclosure member during movement between said positions and positively retaining said upper enclosure member on said lower enclosure member regardless of the relative position of said upper member.
Claim 3
Dependent Claim
198 words
In combination in a barbecue grill assembly, a generally bowl-shaped lower enclosure member provided with a food supporting grill and defining an annular rim portion, a generally bowl-shaped upper enclosure member adapted to be mounted on said first member and having a rim portion of substantially the same diameter as said first-mentioned rim portion and adapted to bear directly thereon, and means for movably connecting said upper and lower enclosure members whereby said upper enclosure member is movable between a first position substantially covering said grill and a second position providing access to said grill, said last mentioned means including a pair of outwardly projecting, laterally aligned cylindrical elements affixed to said lower enclosure member directly below said rim portion thereof, and a pair of slotted hinge elements fixedly secured to said upper enclosure member and extending downwardly therefrom and having said cylindrical elements continually slidably disposed within the slots thereof when said upper enclosure member is in either of said first or second positions, whereby to guide said upper enclosure member during movement between said positions and positively retaining said upper enclosure member on said lower enclosure member regardless of the relative position of said upper member.
Claim 4
Dependent Claim
198 words
In combination in a barbecue grill assembly, a generally bowl-shaped lower enclosure member provided with a food supporting grill and defining an annular rim portion, a generally bowl-shaped upper enclosure member adapted to be mounted on said first member and having a rim portion of substantially the same diameter as said first-mentioned rim portion and adapted to bear directly thereon, and means for movably connecting said upper and lower enclosure members whereby said upper enclosure member is movable between a first position substantially covering said grill and a second position providing access to said grill, said last mentioned means including a pair of outwardly projecting, laterally aligned cylindrical elements affixed to said lower enclosure member directly below said rim portion thereof, and a pair of slotted hinge elements fixedly secured to said upper enclosure member and extending downwardly therefrom and having said cylindrical elements continually slidably disposed within the slots thereof when said upper enclosure member is in either of said first or second positions, whereby to guide said upper enclosure member during movement between said positions and positively retaining said upper enclosure member on said lower enclosure member regardless of the relative position of said upper member.
Claim 5
Dependent Claim
37 words
The invention as set forth in claim 1 wherein said slots in said hinge elements are inclined upwardly and away from the center of said enclosure members when said rim portions thereof are disposed in confronting relation.
Claim 6
Dependent Claim
61 words
The invention as set forth in claim 1 wherein said cylindrical elements define a hinge axis extending parallel to a line extending diametrically through said enclosure members, and wherein the center of gravity of said upper enclosure member is disposed rearwardly of said hinge axis when said upper enclosure member is moved to said second position providing access to said grill.
References Cited (Backward Citations)
US2032221A
Cited
US3611915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |