Patent US4657531A successfully refreshed from Google Patents.
US4657531A
Expired / Lapsed
US
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Therapeutic heating apparatus
Assignee: Individual
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Filing: 1985-12-19
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Granted: 1987-04-14
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Expires: 2005-12-19
Abstract
Abstract A therapeutic heating apparatus for use in treating portions of the human body which comprises an electrical heater, a heat-conducting plate, a cotton pad and a cotton cover. The pad contains mugwart extracts and/or medicinal ingredients.
Inventors
- 👤 Jei C. Choi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:48
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/007; A61M; A61M35/00; A61M35/003; A61F2007/0001; A61F2007/0087; A61F7/02; A61F2007/0203; A61F2007/0206; A61F2007/0207; A61F2007/0261; A61F2007/0263
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
99 words
A therapeutic heating apparatus for the human body comprising a base member, a cotton pad member, a heater assembled with the base member, a heat conducting plate assembled with the heater, said heat conducting plate containing spring-biased ball means for attachment to the heater, said cotton pad member contains a plurality of cotton pills impregnated with mugwort herb or other medicinal ingredient absorbed therein, and a cotton cover disposed to cover the cotton member and the heat conducting plate whereby upon the heating of the heater, the medicinal ingredients are evaporated to penetrate any desired portion of the body.
Claim 2
Dependent Claim
99 words
A therapeutic heating apparatus for the human body comprising a base member, a cotton pad member, a heater assembled with the base member, a heat conducting plate assembled with the heater, said heat conducting plate containing spring-biased ball means for attachment to the heater, said cotton pad member contains a plurality of cotton pills impregnated with mugwort herb or other medicinal ingredient absorbed therein, and a cotton cover disposed to cover the cotton member and the heat conducting plate whereby upon the heating of the heater, the medicinal ingredients are evaporated to penetrate any desired portion of the body.
Claim 3
Dependent Claim
24 words
The therapeutic heating apparatus of claim 1 wherein the base member includes a thermostat connected to the electrical heater for controlling the heating temperature.
Claim 4
Dependent Claim
21 words
The therapeutic heating apparatus of claim 1 wherein the base member is provided with a handle which houses an electric cord.
Claim 5
Dependent Claim
29 words
The therapeutic heating apparatus of claim 1 wherein the heat conducting plate includes apertures symmetrically for attaching corresponding curvatures disposed symmetrically at ends of a semicircular elastic ring thereto.
Claim 6
Dependent Claim
40 words
The therapeutic heating apparatus of claim 1 wherein the heater contains a groove for receiving the spring based balls and the cover contains a ring spring disposed at the periphery thereof for covering the pad and the heat conducting plate.
Claim 7
Dependent Claim
14 words
The therapeutic heating apparatus of claim 1 wherein the heat conducting plate is covered.
Claim 8
Dependent Claim
14 words
The therapeutic heating apparatus of claim 1 wherein the heat conducting plate is concave.
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) | 1990-04-13 | 1990-10-13 | 1991-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-13 | 1994-10-13 | 1995-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-13 | 1998-10-13 | 1999-04-14 | $7700.00 | Window Closed / Lapsed |