US4475367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key holder
Assignee: Individual
•
Filing: 1982-03-16
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Granted: 1984-10-09
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Expires: 2002-03-16
Abstract
Abstract A key holder comprising an elongated cylindrical handle, having one or more annular ridges and a key retainer at one end of the handle for holding keys.
Inventors
- 👤 David A. Raitto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:33
CPC Classifications
F; F41; F41B; F41B15/00; F41B15/02; A; A44; A44B; A44B15/00; A44B15/005; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8676
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
109 words
Key holder comprising: (a) an elongated cylindrical handle having a generally smooth outer surface, (b) an annular ridge extending from said outer surface, and (c) a key retainer at one end of the handle for holding keys, said key retainer comprising: (1) a fixture consisting of a base with an aperture and a loop extending from the base, and (2) a fastener consisting of a shank portion, one end of which is fixed to said one end of the handle and extending through said aperture, and a head portion at the opposite end of the shank portion, said head portion being adapted for retaining the fixture on the handle.
Claim 2
Dependent Claim
109 words
Key holder comprising: (a) an elongated cylindrical handle having a generally smooth outer surface, (b) an annular ridge extending from said outer surface, and (c) a key retainer at one end of the handle for holding keys, said key retainer comprising: (1) a fixture consisting of a base with an aperture and a loop extending from the base, and (2) a fastener consisting of a shank portion, one end of which is fixed to said one end of the handle and extending through said aperture, and a head portion at the opposite end of the shank portion, said head portion being adapted for retaining the fixture on the handle.
Claim 3
Dependent Claim
32 words
Key holder as recited in claim 1, wherein there is a threaded hole at said one end of the handle and the fastener is a screw which is threaded into the hole.
Claim 4
Dependent Claim
65 words
Key holder as recited in claim 1, wherein the fastener is integral with the handle, the head portion of the fastener and the aperture of the base each being frusto-conical in shape with the base of the cone facing said one end of the handle so that the fixture is applied to the fastener by forcing the head through the aperture in a snap fit.
Claim 5
Dependent Claim
18 words
Key holder as recited in claim 3, wherein the handle and key retainer are made of thermoplastic material.
Claim 6
Dependent Claim
22 words
Key holder as recited in claim 1, wherein there are a plurality of said ridges extending from said surface at spaced intervals.
Claim 7
Dependent Claim
28 words
Key holder as recited in claim 1, wherein the ridge lies in a plane which is at a right angle to the central longitudinal axis of the handle.
Claim 8
Dependent Claim
29 words
Key holder as recited in claim 1, wherein the opposite end of the handle has a flat end surface which is at a right angle to said outer 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) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |