Patent US4249524A successfully refreshed from Google Patents.
US4249524A
Expired / Lapsed
US
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Knee stabilizer
Assignee: Individual
•
Filing: 1980-02-26
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Granted: 1981-02-10
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Expires: 2000-02-26
Abstract
Abstract A knee stabilizer that allows complete freedom of movement of the leg and knee for support and protection of a knee joint, primarily to the medial collateral ligament or lateral collateral ligament of the knee comprising a double hinged single side brace having a rigid support bar formed to be positioned away from the knee aside the knee joint said, support pivotally hinged at one end to an upper padded plate and at the other end pivotally hinged to a lower padded plate; the upper padded plate removably secured to the thigh and the lower padded plate removably secured to the lower leg or calf.
Inventors
- 👤 George C. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:23
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0123; A61F2005/0132; A61F2005/0137
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
101 words
A knee stabilizer for support and protection of a knee joint consisting of: (a) a rigid support bar having a raised center portion, an upper end and a lower end; (b) an upper padded plate non slidably pivotally hinged to said upper end of said support bar; (c) a lower padded plate pivotally hinged to said lower end of said support bar; and (d) upper securing means for removably securing said upper padded plate to the upper leg above the knee joint and lower securing means for removably securing said lower padded plate to the lower leg below the knee joint.
Claim 2
Dependent Claim
101 words
A knee stabilizer for support and protection of a knee joint consisting of: (a) a rigid support bar having a raised center portion, an upper end and a lower end; (b) an upper padded plate non slidably pivotally hinged to said upper end of said support bar; (c) a lower padded plate pivotally hinged to said lower end of said support bar; and (d) upper securing means for removably securing said upper padded plate to the upper leg above the knee joint and lower securing means for removably securing said lower padded plate to the lower leg below the knee joint.
Claim 3
Dependent Claim
47 words
The knee stabilizer of claim 1 wherein said center portion of the rigid support bar is substantially concave off-set with respect to said upper end and said lower end of said support bar, whereby said rigid support bar is raised from the side of the knee joint.
Claim 4
Dependent Claim
26 words
The knee stabilizer of claims 1 and 2 wherein said upper securing means is an adjustable strap and said lower securing means is an adjustable strap.
Claim 5
Dependent Claim
111 words
A knee stabilizer for support and protection of a knee joint consisting of: (a) a rigid support bar having a raised center portion, an upper end and a lower end; (b) an upper padded plate pivotally non slidably hinged to said upper end of said support bar; (c) a lower padded plate pivotally hinged to said lower end of said support bar; (d) said knee stabilizer further including an elastic cuff adapted to be worn adjacent the knee joint; (e) said upper padded plate and said lower padded plate inserted into pockets secured to said elastic cuff and retaining said upper end and said lower end of the rigid support bar.
Claim 6
Dependent Claim
111 words
A knee stabilizer for support and protection of a knee joint consisting of: (a) a rigid support bar having a raised center portion, an upper end and a lower end; (b) an upper padded plate pivotally non slidably hinged to said upper end of said support bar; (c) a lower padded plate pivotally hinged to said lower end of said support bar; (d) said knee stabilizer further including an elastic cuff adapted to be worn adjacent the knee joint; (e) said upper padded plate and said lower padded plate inserted into pockets secured to said elastic cuff and retaining said upper end and said lower end of the rigid support bar.
Claim 7
Dependent Claim
47 words
The knee stabilizer of claim 4 wherein said center portion of the rigid support bar is substantially concave off-set with respect to said upper end and said lower end of said support bar, whereby said rigid support bar is raised from the side of the knee joint.
Claim 8
Dependent Claim
38 words
Method of supporting and protecting a knee joint primarily the ligaments associated therewith by positioning and securing on the side of the knee on the side opposite the ligament to be protected the knee stabilizer of claim 1.
Claim 9
Dependent Claim
50 words
Method of supporting and protecting a knee joint primarily the ligaments associated therewith by positioning and securing on the side of the knee on the side opposite the ligament to be protected the knee stabilizer of claim 1 with the raised center portion directly over the medial or lateral ligament.
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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) | 1984-02-10 | 1984-08-11 | 1985-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-10 | 1988-08-11 | 1989-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-10 | 1992-08-11 | 1993-02-10 | $7700.00 | Window Closed / Lapsed |