Patent US3797055A successfully refreshed from Google Patents.
US3797055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for removing lightbulb bases and cleaning lightbulb sockets
Assignee: Individual
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Filing: 1972-12-12
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Granted: 1974-03-19
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Expires: 1992-12-12
Abstract
Abstract A hand tool comprising an elongated metal member is disclosed with a central portion comprising a handle, one end of said tool being for cleaning a lightbulb socket and having radially extending brushes with abrasive means on the end of the member adjacent the brushes for cleaning the base contact of a socket while the brush means cleans the threaded side walls of the socket and the other end of the tool comprising a lightbulb base removal tool including a tapered conical member with radial flanges and end flanges insertable in a lightbulb base for gripping and removing the base from a socket.
Inventors
- 👤 W Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:53
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/32; B; B25; B25F; B25F1/00; H01J; H01J9/00; H01J9/003
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
145 words
A tool for removing broken lightbulb bases from, and subsequent cleaning of, electric lightbulb sockets, said tool comprising an elongated rod-like handle member dimensioned to be held in the human hand for rotation about its axis and having first and second end portions, said first end portion comprising a socket cleaner rod including brush means extending outwardly from said socket cleaner tool, said brush means being dimensioned to engage the side walls of an electric socket into which said socket cleaner rod is inserted and an abrasive end surface on said socket cleaner rod for engaging the base contact of an electrical socket when said socket cleaner rod is inserted in an electrical socket so that rotation of the tool causes the brush means to clean the side walls of the socket while the abrasive surface simultaneously cleans and removes corrosion from said base contact.
Claim 2
Dependent Claim
145 words
A tool for removing broken lightbulb bases from, and subsequent cleaning of, electric lightbulb sockets, said tool comprising an elongated rod-like handle member dimensioned to be held in the human hand for rotation about its axis and having first and second end portions, said first end portion comprising a socket cleaner rod including brush means extending outwardly from said socket cleaner tool, said brush means being dimensioned to engage the side walls of an electric socket into which said socket cleaner rod is inserted and an abrasive end surface on said socket cleaner rod for engaging the base contact of an electrical socket when said socket cleaner rod is inserted in an electrical socket so that rotation of the tool causes the brush means to clean the side walls of the socket while the abrasive surface simultaneously cleans and removes corrosion from said base contact.
Claim 3
Dependent Claim
14 words
The invention of claim 1 wherein said abrasive end surface is of concave configuration.
Claim 4
Dependent Claim
48 words
The invention of claim 2 wherein said second end portion includes a lightbulb base removing tool portion having gripper means for engaging the inner surface of a lightbulb base to enable rotation of the lightbulb base to effect removal of the lightbulb base from an electric lightbulb socket.
Claim 5
Dependent Claim
29 words
The invention of claim 3 wherein said base removing tool portion comprises a conical body member tapering downwardly from its juncture with said handle member to an end termination.
Claim 6
Dependent Claim
36 words
The invention of claim 4 wherein said lightbulb base gripping means include longitudinal radial flange members provided on said conical body member and having sharp edges for engaging the internal side walls of a lightbulb base.
Claim 7
Dependent Claim
31 words
The invention of claim 5 additionally including plural end lug fingers extending in an axial direction and having sharp radial edge surfaces oriented radially to the axis of said conical portion.
Claim 8
Dependent Claim
42 words
The invention of claim 6 wherein said end lug fingers are aligned with said radial flanges and the sharp edges on said longitudinal radial flange members merge into and are aligned with said sharp radial edge surfaces on said end lug fingers.
Claim 9
Dependent Claim
48 words
The invention of claim 1 wherein said second end portion includes a lightbulb base removing tool portion having gripper means for engaging the inner surface of a lightbulb base to enable rotation of the lightbulb base to effect removal of the lightbulb base from an electric lightbulb socket.
Claim 10
Dependent Claim
29 words
The invention of claim 8 wherein said base removing tool portion comprises a conical body member tapering downwardly from its juncture with said handle member to an end termination.
Claim 11
Dependent Claim
36 words
The invention of claim 9 wherein said lightbulb base gripping means include longitudinal radial flange members provided on said conical body member and having sharp edges for engaging the internal side walls of a lightbulb base.
Claim 12
Dependent Claim
186 words
The invention of claim 1 wherein said second end portion includes a lightbulb base removing tool portion having gripper means for engaging the inner surface of a lightbulb base to enable rotation of the lightbulb base to effect removal thereof from a lightbulb socket and said elongated rod-like handle member, said socket cleaner tool and said lightbulb base removing tool portions are unitarily formed of metal, said abrasive end surface is of concave configuration, said base removing tool portion including a downwardly tapering conical body member extending from a juncture with said handle member and tapering downwardly to an end termination, longitudinal radial flange members provided on said conical body member extending along the length thereof in a generally radial direction and having sharp edges at their outermost extent for engaging the internal side walls of a lightbulb base, plural lug fingers extending in an axial direction and having sharp radial edge surfaces for engaging the internal bottom portion of a lightbulb base and additionally including longitudinal radial fingers on said handle member for aiding in the manual gripping of said handle member by a user.
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |