Patent US4151614A successfully refreshed from Google Patents.
US4151614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device for the knee or elbow
Assignee: Individual
•
Filing: 1978-03-09
•
Granted: 1979-05-01
•
Expires: 1998-03-09
Abstract
Abstract The invention relates to a protective device adapted to protect the elbow or knee of a person while engaging in various sports and work. The device is constructed from a resilient energy-absorbing material such as plastic foam and comprises a generally rectangular planar member which can be cut or stamped from a sheet of plastic foam. One side of the planar member comprises a flap member adapted to be flexed together with corner ends of the side, and held together by a flexible cord to form a cradle section adapted to cradle the knee or elbow when worn and secured thereon by a strap member.
Inventors
- 👤 Jhoon Goo Rhee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:17
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/055; A41D13/0556; A41D13/0568; A41D13/06; A41D13/065; A41D13/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
A flexible, unitary device formed from a planar sheet of resilient, energy-absorbing plastic foam material comprising a generally rectangular member having a pair of elongated slots; one side of said rectangular member comprising a flap member extending therefrom containing a pair of holes; said flap member side comprising a small hole at each corner end, and a larger hole containing a tongue member therein; a flexible cord member laced through said holes of said flap member, through each of said small holes, and around each of said tongue members thereby forming a cradle section in said device; and strap members passing through said slots for securing said device around a knee or elbow of a person.
Claim 2
Dependent Claim
116 words
A flexible, unitary device formed from a planar sheet of resilient, energy-absorbing plastic foam material comprising a generally rectangular member having a pair of elongated slots; one side of said rectangular member comprising a flap member extending therefrom containing a pair of holes; said flap member side comprising a small hole at each corner end, and a larger hole containing a tongue member therein; a flexible cord member laced through said holes of said flap member, through each of said small holes, and around each of said tongue members thereby forming a cradle section in said device; and strap members passing through said slots for securing said device around a knee or elbow of a person.
Claim 3
Dependent Claim
16 words
The device of claim 1 wherein said plastic foam material is a unicellular, closed cell material.
Claim 4
Dependent Claim
17 words
The device of claim 1 wherein said plastic foam material has a plastic coating on its surface.
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) | 1982-04-30 | 1982-10-30 | 1983-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-30 | 1986-10-30 | 1987-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-30 | 1990-10-30 | 1991-05-01 | $7700.00 | Window Closed / Lapsed |