Patent US4643173A successfully refreshed from Google Patents.
US4643173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated traction belt
Assignee: Individual
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Filing: 1985-01-29
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Granted: 1987-02-17
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Expires: 2005-01-29
Abstract
Abstract A heated traction belt usable by a user in traction on a bed and including a heater disposed internally in the rear portion of the belt and connected by a wire to a controller that is attached to the belt by VELCRO, VELCRO is also used to keep the belt closed when worn by the user, a heat control switch is disposed in the belt and connected to a weight strap so that when a weight is applied to the traction the weight strap pulls taunt and closes the heat control switch and operates the heater.
Inventors
- 👤 John H. Bell
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:19
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H2201/00; A61H2201/02; A61H2201/0207; A61H2201/0221; A61H2201/0228; A61H2201/16; A61H2201/1602; A61H2201/1628; A61H2201/163; A61H2201/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A heated traction belt for a user comprising: a belt; heating means mounted in said belt; means for activating said heating means; and a front closure for holding said belt on the user, said heating means being a heater disposed internally in the rear portion of said belt connected by a wire to a controller that is attached to said front closure, said activating means including a heat control switch disposed on said belt and connected to a weight strap so that when a weight is applied to said weight strap the weight strap pulls taut and closes the heat control switch and operates said heater.
Claim 2
Dependent Claim
106 words
A heated traction belt for a user comprising: a belt; heating means mounted in said belt; means for activating said heating means; and a front closure for holding said belt on the user, said heating means being a heater disposed internally in the rear portion of said belt connected by a wire to a controller that is attached to said front closure, said activating means including a heat control switch disposed on said belt and connected to a weight strap so that when a weight is applied to said weight strap the weight strap pulls taut and closes the heat control switch and operates said heater.
References Cited (Backward Citations)
FR327608A
Cited
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Cited
US2638091A
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-02-16 | 1990-08-18 | 1991-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-16 | 1994-08-18 | 1995-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-16 | 1998-08-18 | 1999-02-17 | $7700.00 | Window Closed / Lapsed |