Patent US4301859A successfully refreshed from Google Patents.
US4301859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot water surface heating device
Assignee: Individual
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Filing: 1979-05-14
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Granted: 1981-11-24
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Expires: 1999-05-14
Abstract
Abstract A hot water surface heating device that includes a plurality of coupled individually-prefabricated, plate-like assemblies, each of which includes a base plate, a cover plate and at least one plastic pipe disposed between the base plate and the cover plate. The plates each having a reinforcing layer and an inner surface opposing the inner surface of the other plate provided with at least one channel for the partial receipt therein of the pipe. The heating device is extremely thin and is especially suitable for installation in old buildings.
Inventors
- 👤 Karl Hollemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:44
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/12; F24D3/14; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
98 words
A hot water surface heating device, comprising: a plurality of coupled, individually-prefabricated, plate-like assemblies, each of which includes a base plate, a cover plate and at least one plastic pipe disposed between said base plate and said cover plate, said plates each having a reinforcing layer and an inner surface opposing the inner surface of the other plate provided with at least one channel for the partial receipt therein of said at least one pipe and wherein said cover plates of said assemblies are offset with respect to their associated base plates so as to form circumferentially-disposed steps.
Claim 2
Dependent Claim
98 words
A hot water surface heating device, comprising: a plurality of coupled, individually-prefabricated, plate-like assemblies, each of which includes a base plate, a cover plate and at least one plastic pipe disposed between said base plate and said cover plate, said plates each having a reinforcing layer and an inner surface opposing the inner surface of the other plate provided with at least one channel for the partial receipt therein of said at least one pipe and wherein said cover plates of said assemblies are offset with respect to their associated base plates so as to form circumferentially-disposed steps.
Claim 3
Dependent Claim
32 words
The heating device according to claim 1, wherein said plates are provided with complimentary-configured mating tongue-and-groove coupling elements at the lateral edges thereof for coupling with the plates of the adjacent assemblies.
Claim 4
Dependent Claim
23 words
The heating device according to claim 1, wherein said plates of adjacent assemblies are rigidly secured together in the area of said steps.
Claim 5
Dependent Claim
16 words
The heating device according to claim 3, wherein said plates are rigidly secured together by riveting.
Claim 6
Dependent Claim
16 words
The heating device according to claim 3, wherein said plates are rigidly secured together by bonding.
Claim 7
Dependent Claim
24 words
The heating device according to claim 1, wherein said reinforcement layer comprises mats of threads having a core cross-section of less than 2 mm.
Claim 8
Dependent Claim
35 words
The heating device according to claim 6, wherein the ratio of the mesh width amounts to about 1:2 to 1:3 relative to the mesh length at a short side of about 0.5 to 0.8 cm.
Claim 9
Dependent Claim
13 words
The heating device according to claim 6, wherein said mat threads are interwoven.
Claim 10
Dependent Claim
16 words
The heating device according to claim 6, wherein said mat threads are welded with each other.
Claim 11
Dependent Claim
24 words
The heating device according to claim 1, wherein said reinforcement layer comprises mats of threads having a core cross-section between 0.5 to 1.3 mm.
Claim 12
Dependent Claim
20 words
The heating device according to claim 1, wherein each of said cover plates are bonded to their associated base plates.
Claim 13
Dependent Claim
52 words
The heating device according to claim 1, wherein said cover plates and said base plates each have a three-layered structure comprising an outer layer composed of a finely-grained flooring without porous additives, an intermediate layer composed of a finely-grained flooring with porous additives, and an inner layer composed of floor bonding material.
Claim 14
Dependent Claim
30 words
The heating device according to claim 12, wherein said intermediate flooring is admixed with a combination of elements selected from the group consisting of solid foam, pumice and aerated concrete.
Claim 15
Dependent Claim
28 words
The heating device according to claim 12, wherein said intermediate flooring is admixed with a member selected from the group consisting of solid foam, pumice and aerated concrete.
Claim 16
Dependent Claim
18 words
The heating device according to claim 12, wherein an elastic plastic emulsion is added to the floor finishing.
Claim 17
Dependent Claim
16 words
The heating device according to claim 1, wherein said pipe is mounted on said base plate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-23 | 1985-05-25 | 1985-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-23 | 1989-05-25 | 1989-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-23 | 1993-05-25 | 1993-11-24 | $7700.00 | Window Closed / Lapsed |