US3683900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical traction device
Assignee: B-W HEALTH PRODUCTS INC A CORP OF MO
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Filing: 1970-02-25
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Granted: 1972-08-15
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Expires: 1990-02-25
Abstract
Abstract A medical traction device incorporates a plurality of constant force spring means and means for selecting a Yasko; J. traction force from said spring means for applying to a patient.
Inventors
- 👤 Samuel P Alessi
- 👤 David A Daneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:49
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/04; A61H; A61H1/00; A61H1/02; A61H1/0218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A medical traction device comprising: a plurality of constant force spring means each having an apertured fitting; a series of discs corresponding in number to said spring means; said discs being rotatable about their centers and being provided with a plurality of pegs extending therefrom; said pegs of a disc being adapted to engage said apertured fitting of its corresponding spring means at some position of said disc thereby permitting selection of a particular force from said plurality of spring means; and means to apply said selected force to a patient.
Claim 2
Dependent Claim
91 words
A medical traction device comprising: a plurality of constant force spring means each having an apertured fitting; a series of discs corresponding in number to said spring means; said discs being rotatable about their centers and being provided with a plurality of pegs extending therefrom; said pegs of a disc being adapted to engage said apertured fitting of its corresponding spring means at some position of said disc thereby permitting selection of a particular force from said plurality of spring means; and means to apply said selected force to a patient.
References Cited (Backward Citations)
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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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |