Patent US4397112A successfully refreshed from Google Patents.
US4397112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rifle bipod
Assignee: Individual
•
Filing: 1981-03-23
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Granted: 1983-08-09
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Expires: 2001-03-23
Abstract
Abstract For use in supporting a rifle, the illustrated and preferred embodiment discloses a detachable bipod which is constructed with a pair of identical legs joined together at a pivot pin, the legs terminating in curved and polished faces, the two faces opposing one another to grasp and extend around the barrel of a weapon for holding the weapon, the bipod further including in the preferred and illustrated embodiment a coil spring between the two legs. The spring forces the legs apart. In addition, the two legs have facing hooks which latch against one another.
Inventors
- 👤 Norman N. York
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:44
CPC Classifications
F; F41; F41A; F41A23/00; F41A23/02; F41A23/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
145 words
A removable and detachable bipod for attachment to the barrel of a rifle, comprising: (a) first and second similar legs joined together at a pivot pin and forced apart below said said pivot pin by a coil spring positioned between said legs to force said legs apart whereby the lower ends of said legs are deployed in spaced relation to enable a bipod support for the rifle; (b) said legs including upper ends having arcuately curved protruding tabs thereon which are adapted to releasably reach around and grasp the barrel of the rifle; (c) receptacles in said legs adapted to receive the ends of said coil spring which is compressed when inserted into said receptacles, and wherein said coil spring is permitted to elongate to force said legs of the bipod apart; and (d) interlocking tabs on said legs which tabs lock said legs together.
Claim 2
Dependent Claim
145 words
A removable and detachable bipod for attachment to the barrel of a rifle, comprising: (a) first and second similar legs joined together at a pivot pin and forced apart below said said pivot pin by a coil spring positioned between said legs to force said legs apart whereby the lower ends of said legs are deployed in spaced relation to enable a bipod support for the rifle; (b) said legs including upper ends having arcuately curved protruding tabs thereon which are adapted to releasably reach around and grasp the barrel of the rifle; (c) receptacles in said legs adapted to receive the ends of said coil spring which is compressed when inserted into said receptacles, and wherein said coil spring is permitted to elongate to force said legs of the bipod apart; and (d) interlocking tabs on said legs which tabs lock said legs together.
Claim 3
Dependent Claim
64 words
The apparatus of claim 1, wherein said tabs are curved to extend arcuatelly partially about the barrel of the rifle and further wherein said tabs are formed of a nonreflective plastic material having curved faces in contact with the barrel to prevent scratching of the barrel and further wherein said plastic material is formed into said legs and finished with a surface preventing glare.
Claim 4
Independent Claim
14 words
The apparatus of claims 2 or 1 wherein said legs join in hermaphroditic means.
References Cited (Backward Citations)
US3235997A
Cited
US3235998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-08 | 1987-02-07 | 1987-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-08 | 1991-02-07 | 1991-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-08 | 1995-02-07 | 1995-08-09 | $7700.00 | Window Closed / Lapsed |