Patent US3793643A successfully refreshed from Google Patents.
US3793643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier for portable heater
Assignee: UNDERWOOD RIVERS CO Inc
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Filing: 1972-01-17
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Granted: 1974-02-26
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Expires: 1992-01-17
Abstract
Abstract A carrier is provided for a portable heater, the heater comprising a solid combustible fuel element and an air permeable incombustible casing, said carrier being in the form of a bag of air pervious material having a zippered opening, and a flap secured to an outer wall of the bag at the upper and lower margins, leaving hand openings at either end. The openings may be provided with sleeves, and the flap-covered outer wall may have a slit to provide access to the bag interior.
Inventors
- 👤 J Kinoshita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:53
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F7/03; A61F7/032
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
149 words
A carrier for a portable heater which includes a solid combustible fuel element supported in an air-permeable incombustible casing, said carrier comprising: a carrying bag including an opening for receiving a portable heater, closure means for said opening, a flap, means for securing said Flap to an outer wall of said bag only along the upper and lower margins of said flap, said flap having end margins thereof in adjacent relationship to said outer wall of said carrying bag and free of attachment thereto, thereby defining openings at the ends of said flap between the flap and bag to provide an entry for hands between the flap inner surface and the adjacent bag outer surface, and slot means in the said wall underlying said flap for providing access of hands therethrough to the interior of said bag for engaging a heater therein, said bag being of air pervious material.
Claim 2
Dependent Claim
149 words
A carrier for a portable heater which includes a solid combustible fuel element supported in an air-permeable incombustible casing, said carrier comprising: a carrying bag including an opening for receiving a portable heater, closure means for said opening, a flap, means for securing said Flap to an outer wall of said bag only along the upper and lower margins of said flap, said flap having end margins thereof in adjacent relationship to said outer wall of said carrying bag and free of attachment thereto, thereby defining openings at the ends of said flap between the flap and bag to provide an entry for hands between the flap inner surface and the adjacent bag outer surface, and slot means in the said wall underlying said flap for providing access of hands therethrough to the interior of said bag for engaging a heater therein, said bag being of air pervious material.
Claim 3
Dependent Claim
20 words
The carrier of claim 1, and sleeve means attached to said flap margins and said outer wall at said openings.
Claim 4
Dependent Claim
22 words
The carrier of claim 1, and strap means attached to said bag for supporting said bag from the neck of a wearer.
Claim 5
Dependent Claim
15 words
The carrier of claim 1, said material comprising an inner layer and an outer covering.
Claim 6
Dependent Claim
10 words
The carrier of claim 4, said inner layer being felt.
Claim 7
Dependent Claim
11 words
The carrier of claim 5, said outer covering being woven nylon.
Claim 8
Dependent Claim
11 words
The carrier of claim 1, said flap comprising multiple insulative layers.
Claim 9
Dependent Claim
22 words
The carrier of claim 1, said flap comprising inner layers of polyester urethane and glass wool and outer layers of woven nylon.
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |