Patent US3597585A successfully refreshed from Google Patents.
US3597585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube mat
Assignee: Individual
•
Filing: 1969-08-25
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Granted: 1971-08-03
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Expires: 1989-08-25
Abstract
Abstract A mat made of a ropelike member coiled in a flat plane. The rope has incorporated therein a resistance heating wire which is supplied with electricity in order to heat the mat.
Inventors
- 👤 Masaichi Ohno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:45
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/014; H05B2203/026
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
119 words
In a flexible rug or carpet of the tubular of spiral rope type wherein succeeding convolutions of the spiralling rope are conventionally bound together in planar form as by a series of zigzag stitches interconnecting adjacent edges of the rope member, the improvement of heating means in conjunction therewith comprising a flexible rope from which the rug is made and having a center core member surrounded by a plurality of ornamental strings or threads wound therearound to form an enveloping outer covering; and having an insulated flexible resistance heating wire disposed longitudinally and coextensively between said core member and ornamental threads along at least one side of said core, and means adapted to connect it with a power source.
Claim 2
Dependent Claim
119 words
In a flexible rug or carpet of the tubular of spiral rope type wherein succeeding convolutions of the spiralling rope are conventionally bound together in planar form as by a series of zigzag stitches interconnecting adjacent edges of the rope member, the improvement of heating means in conjunction therewith comprising a flexible rope from which the rug is made and having a center core member surrounded by a plurality of ornamental strings or threads wound therearound to form an enveloping outer covering; and having an insulated flexible resistance heating wire disposed longitudinally and coextensively between said core member and ornamental threads along at least one side of said core, and means adapted to connect it with a power source.
Claim 3
Dependent Claim
37 words
A flexible heated rug of the type defined in claim 1 wherein said heating wire is inserted along two preferably diametrically opposed sides of the core member of the rope and between said core and ornamental threads.
Claim 4
Dependent Claim
45 words
A flexible heated rug of the type defined in claim 1 wherein the flexible rope from which the rug is formed comprises a plurality of at least two core members disposed in a flat side-by-side manner and having said ornamental threads enveloping both core members.
Claim 5
Dependent Claim
58 words
A flexible heated rug of the type defined in claim 1 wherein the flexible rope from which the rug is formed comprises a plurality of at least two core members disposed in a flat side-by-sIde manner and having said ornamental threads enveloping both core members and further having an electrical heating wire interposed between said two core members.
Claim 6
Dependent Claim
63 words
A flexible heated rug of the type defined in claim 1 wherein the flexible rope from which the rug is formed comprises a plurality of at least two core members disposed in a flat side-by-side manner and having said ornamental threads enveloping both core members and further having said electrical heating wire interposed between adjacent edges of each of said two core members.
Claim 7
Dependent Claim
41 words
A flexible heated rug of the type defined in claim 1 wherein the flexible rope comprises a plurality of three core members disposed in a generally flat planar side-by-side relation and having said ornamental threads enveloping all of said core members.
Claim 8
Dependent Claim
28 words
A heated rug as defined in claim 6 wherein additional decorative threads are interwoven around the central core member and interconnected with those enveloping all three core members.
Claim 9
Dependent Claim
29 words
A heated rug as defined in claim 6 wherein the central of the three core members is of a larger size or gauge than said other two core members.
Claim 10
Dependent Claim
28 words
A heated rug as defined in claim 6 wherein a plurality of said electrical heating wires are disposed longitudinally along at least one side of each core member.
Claim 11
Dependent Claim
30 words
A heated rug as defined in claim 6 wherein a plurality of said electrical heating wires are disposed longitudinally along two opposed sides of each of said three core members.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |