US4643173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated traction belt
Assignee: Individual
•
Filing: 1985-01-29
•
Granted: 1987-02-17
•
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 05:11
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
US1234700A
Cited
US2638091A
Cited
US3075517A
Cited
US3323517A
Cited
DE1491545A1
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 |