US4151439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle light bulb with extending electrical wires
Assignee: Individual
•
Filing: 1977-12-30
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Granted: 1979-04-24
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Expires: 1997-12-30
Abstract
Abstract To connect the respective rear light circuits of a towing vehicle and a trailer, the conventional rear light bulbs of a towing vehicle are replaced with otherwise conventional rear light bulbs, each modified by having extending electrical wires passing from its base contacts upwardly in its conventional round base, while at the same time passing through a depression groove of its otherwise conventional glass envelope, and thereafter freely extending a selected distance for attachment to the rear light circuits of a trailer. These otherwise conventional rear light bulbs with their extending electrical wires are made by a method centering on the selective heating of a portion of the glass of an initially conventional glass envelope to create on its exterior the weathertight depression groove extending for a length slightly longer than the depth of its round base.
Inventors
- 👤 Richard L. Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:27
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
151 words
Vehicle light bulb with extending electrical wires utilizing a conventional round base and an initially conventional glass envelope, to be installed in lieu of a conventional vehicle light bulb in a towing vehicle, thereby providing the connections for circuits lighting a respective conventional vehicle light bulb on a trailer, comprising: (a) a conventional round base; (b) an initially conventional glass envelope having conventionally centered filaments for respective lights and modified by having on its exterior, a depression groove of the glass envelope, and fitted concentrically into the round base with the depression groove located throughout the depth of the round base and extending above the round base to form an entry; and (c) electrical wires extending from a distance away from the round base, down through the entry and beyond within the depression groove and joined to respective light filaments to form respective positive and negative contacts of the round base.
Claim 2
Dependent Claim
151 words
Vehicle light bulb with extending electrical wires utilizing a conventional round base and an initially conventional glass envelope, to be installed in lieu of a conventional vehicle light bulb in a towing vehicle, thereby providing the connections for circuits lighting a respective conventional vehicle light bulb on a trailer, comprising: (a) a conventional round base; (b) an initially conventional glass envelope having conventionally centered filaments for respective lights and modified by having on its exterior, a depression groove of the glass envelope, and fitted concentrically into the round base with the depression groove located throughout the depth of the round base and extending above the round base to form an entry; and (c) electrical wires extending from a distance away from the round base, down through the entry and beyond within the depression groove and joined to respective light filaments to form respective positive and negative contacts of the round base.
Claim 3
Dependent Claim
49 words
A vehicle light bulb with extending wires, as claimed in claim 1, having, in addition, electrical connectors, respectively secured to the respective electrical wires extending upwardly from the round base and beyond for connection with the connectors of the electrical wires coming from the circuits for the trailer lights.
Claim 4
Dependent Claim
25 words
A vehicle light bulb with extending wires, as claimed in claim 2, having in addition, a protective insulating cover placed around the respective electrical wires.
Claim 5
Dependent Claim
161 words
Vehicle light bulb with an extending electrical wire utilizing a conventional round base and an initially conventional glass envelope, to be installed in lieu of a conventional vehicle light bulb in a towing vehicle, thereby providing a connection for a circuit lighting a respective conventional vehicle light bulb on a trailer, comprising: (a) a conventional round base; (b) an initially conventional glass envelope having at least one conventionally centered filament for a respective light and modified by having on its exterior, a depression groove of the glass envelope, and fitted concentrically into the round base with the depression groove located throughout the depth of the round base and extending above the round base to form an entry; and (c) at least one electrical wire extending from a distance away from the round base, down through the entry and beyond within the depression groove and joined to a respective light filament lead to form a respective positive contact of the round base.
Claim 6
Dependent Claim
161 words
Vehicle light bulb with an extending electrical wire utilizing a conventional round base and an initially conventional glass envelope, to be installed in lieu of a conventional vehicle light bulb in a towing vehicle, thereby providing a connection for a circuit lighting a respective conventional vehicle light bulb on a trailer, comprising: (a) a conventional round base; (b) an initially conventional glass envelope having at least one conventionally centered filament for a respective light and modified by having on its exterior, a depression groove of the glass envelope, and fitted concentrically into the round base with the depression groove located throughout the depth of the round base and extending above the round base to form an entry; and (c) at least one electrical wire extending from a distance away from the round base, down through the entry and beyond within the depression groove and joined to a respective light filament lead to form a respective positive contact of the round base.
Claim 7
Dependent Claim
51 words
A vehicle light bulb with an extending wire, as claimed in claim 4, having, in addition, an electrical connector, respectively secured to the extending electrical wire extending upwardly from the round base and beyond for connection with the connector of an electrical wire coming from a circuit for the trailer lights.
Claim 8
Dependent Claim
26 words
A vehicle light bulb with an extending wire, as claimed in claim 5, having in addition, a protective insulating cover placed around the extending electrical wire.
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) | 1982-04-23 | 1982-10-23 | 1983-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-23 | 1986-10-23 | 1987-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-23 | 1990-10-23 | 1991-04-24 | $7700.00 | Window Closed / Lapsed |