Patent US3901228A successfully refreshed from Google Patents.
US3901228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic foot rest
Assignee: Individual
•
Filing: 1973-12-18
•
Granted: 1975-08-26
•
Expires: 1993-12-18
Abstract
Abstract A therapeutic foot rest comprises a resilient foam boot having a base and upstanding side walls defining a cavity for receiving a patient''s foot and holding the foot in an upright position, the end wall opposing the sole of the patient''s foot being resiliently compressable against the foot board of the patient''s bed to enable therapeutic exercise.
Inventors
- 👤 Robert J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:05
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10; A61G13/12; A61F; A61F13/00; A61F13/06; A61F13/064; A61F13/069; A61G13/0036; A61G13/0063; A61G13/0081; A61G13/1205; A61G13/125; A61G7/00; A61G7/05; A61G7/065; A61G7/075; A61G7/0755
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
118 words
A therapeutic foot rest comprising: a body of resilient foam material having a flat base wall, a foot receiving cavity within said body, said body being composed of an outer layer of foam material defining said opening, an intermediate layer of foam material defining said cavity and a third layer of foam material forming the end wall of said cavity said layers being bonded together to form an ankle receiving opening leading into said cavity from one side of said body, said body being vertically split above said opening in at least the outer layer but not extending through said third layer to allow said body to be opened to receive the foot and ankle of a patient.
Claim 2
Dependent Claim
118 words
A therapeutic foot rest comprising: a body of resilient foam material having a flat base wall, a foot receiving cavity within said body, said body being composed of an outer layer of foam material defining said opening, an intermediate layer of foam material defining said cavity and a third layer of foam material forming the end wall of said cavity said layers being bonded together to form an ankle receiving opening leading into said cavity from one side of said body, said body being vertically split above said opening in at least the outer layer but not extending through said third layer to allow said body to be opened to receive the foot and ankle of a patient.
Claim 3
Dependent Claim
19 words
A therapeutic foot rest as defined in claim 1, wherein said intermediate layer is also split above said cavity.
Claim 4
Dependent Claim
30 words
A therapeutic foot rest as defined in claim 1, said first outer layer and said intermediate layer being composed of foam material of lesser density than said third outer layer.
Claim 5
Dependent Claim
21 words
A therapeutic foot rest as defined in claim 1, said layers of foam material being die cut and permeable to air.
Claim 6
Dependent Claim
28 words
A therapeutic foot rest as defined in claim 1, wherein said cavity is defined by relatively narrow upper toe restraining wall sections and relatively wider lower wall sections.
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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |