US4284058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backpacker's stove apparatus
Assignee: CONCEPTUAL FACTORS Inc
•
Filing: 1979-06-04
•
Granted: 1981-08-18
•
Expires: 1999-06-04
Abstract
Abstract A stove apparatus comprising a valve-burner assembly and a fuel container threaded together in direct connection, and a collapsable pot stand assembly which includes a windscreen for protecting the flame of the burner. The pot stand assembly, valve-burner assembly and fuel container fit for compact packaging within the pans used for cooking.
Inventors
- 👤 William R. Lutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:18
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/14; F24C3/02; F24C3/027; F17; F17C; F17C2270/00; F17C2270/07; F17C2270/0709
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
192 words
A backpacker's stove apparatus comprising: a base including an upper surface and an opening defined in said upper surface; a fuel canister removably positioned beneath said base; a valve and burner means protruding above said base and extending through said opening of said base to connect to said fuel canister beneath said base for selectively releasing fuel from said fuel canister; a foldable pot support mounted on top of said base, said pot support including a plurality of wing plates pivotably attached to the top surface of said base, each said wing plate including a first planar section pivotably attached at one of its edges to said upper surface of said base and being pivotable relative to said upper surface between a down position and an up position, each said wing plate further including a second pot engaging portion extending approximately perpendicular to said first planar section, whereby said wing plates in said up position form a windscreen about said valve and burner means and a pot support to hold a pot above said valve and burner means, and said wing plates are pivotable to said down position for packaging and storage.
Claim 2
Dependent Claim
192 words
A backpacker's stove apparatus comprising: a base including an upper surface and an opening defined in said upper surface; a fuel canister removably positioned beneath said base; a valve and burner means protruding above said base and extending through said opening of said base to connect to said fuel canister beneath said base for selectively releasing fuel from said fuel canister; a foldable pot support mounted on top of said base, said pot support including a plurality of wing plates pivotably attached to the top surface of said base, each said wing plate including a first planar section pivotably attached at one of its edges to said upper surface of said base and being pivotable relative to said upper surface between a down position and an up position, each said wing plate further including a second pot engaging portion extending approximately perpendicular to said first planar section, whereby said wing plates in said up position form a windscreen about said valve and burner means and a pot support to hold a pot above said valve and burner means, and said wing plates are pivotable to said down position for packaging and storage.
Claim 3
Dependent Claim
29 words
Stove apparatus of claim 1, wherein said pot support further includes locking means associated with said plurality of wing plates for locking said wing plates in said up position.
Claim 4
Dependent Claim
75 words
Stove apparatus of claim 2, wherein said locking means comprises tab means for interlocking adjacent wing plates in said up position, said tab means including a first tab extending from said planar section of a first wing plate and a second tab extending from said planar section of a second wing plate adjacent said first wing plate, said second tab defining a hook means for interlocking with said first tab of said first wing plate.
Claim 5
Dependent Claim
30 words
Stove apparatus of claim 1, wherein said fuel canister includes a valve-accepting opening aligned with said opening in said upper surface of said base, said valve-accepting opening including internal threading.
Claim 6
Dependent Claim
89 words
Stove apparatus of claim 4, wherein said valve and burner means comprises: a threaded stem portion including external threading, said threaded stem portion extending through said opening in said upper surface of said base and being removably threaded into said valve accepting opening of said fuel canister; and a flange portion engaging said upper surface of said base, said canister releasably contacting said base from beneath and said flange portion releasably contacting said base from above, whereby said base is pinched tightly between said canister and said flange portion.
Claim 7
Dependent Claim
67 words
Stove apparatus of claim 1, wherein said base comprises: a generally flat top plate including said upper surface; an opening defined in said top plate including said opening defined in said upper surface; side walls protruding from the edges of said top plate, said base being open at its bottom side, said side walls and top plate defining a pocket into which said fuel canister is inserted.
Claim 8
Dependent Claim
26 words
Stove apparatus of claim 6, wherein said base includes a width dimension and a height dimension less than or equal to one half said width dimension.
Claim 9
Dependent Claim
29 words
Stove apparatus of claim 6 or 7, wherein said fuel canister is completely contained within said pocket defined by said top plate and said side walls of said base.
Claim 10
Dependent Claim
43 words
Stove apparatus of claim 1, further comprising a top cover and a bottom cover into which said base, said fuel canister, said valve and burner means, and said pot support are packaged, said top cover and bottom cover each comprising a cooking pan.
Claim 11
Dependent Claim
69 words
Stove apparatus of claim 1, wherein said fuel canister comprises: a generally dome shaped cover portion; a circular bottom wall connected at its periphery to the periphery of said cover portion; a valve accepting means defined in said cover portion for releasably holding a valve member attached to said fuel canister; and wherein the width of said fuel canister is at least twice the height of said fuel canister.
Claim 12
Dependent Claim
18 words
Stove apparatus of claim 10, wherein said valve accepting means comprises an inwardly protruding recess including internal threading.
Claim 13
Dependent Claim
11 words
Stove apparatus of claim 10, wherein said fuel canister is pressurized.
Claim 14
Dependent Claim
16 words
Stove apparatus of claim 10, further comprising butane gas contained under pressure within said fuel canister.
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) | 1984-08-17 | 1985-02-16 | 1985-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-17 | 1989-02-16 | 1989-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-17 | 1993-02-16 | 1993-08-18 | $7700.00 | Window Closed / Lapsed |