Patent US4303967A successfully refreshed from Google Patents.
US4303967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding light
Assignee: Individual
•
Filing: 1980-03-21
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Granted: 1981-12-01
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Expires: 2000-03-21
Abstract
Abstract This light is designed for use in the welding industry, for checking joint preparations, by lighting the area to be welded, lighting the area of a weld, so as to enable the user effectively to clean or chip slag from it, etc. It consists primarily of a sleeve, in which a high voltage bulb is received, that includes a resistor across the leads, and it is mounted to any electrode holder, by a ball and socket swivel, for changing the light angle.
Inventors
- 👤 David M. Letsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:34
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; B; B23; B23K; B23K9/00; B23K9/32; F21L; F21L14/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
142 words
A welding light assembly, comprising, in combination, a welding rod holder and welding light mounted thereupon, for illuminating an area of a weld at the front end of said holder, a high voltage bulb, a sleeve enclosing a larger rear portion of said bulb, while a smaller forward portion of said bulb protrudes outwardly into a translucent cover on said sleeve front end, a recess inside said cover receiving and enclosing a said bulb forward portion, a pair of rearwardly extending prongs from a rear of said sleeve electrically being connected to said bulb, a resistor connected between said prongs, a spherical ball fixedly secured to an outer side of said sleeve, a socket member in which said ball is swiveled, a flange included on said socket member, and holes through said flange receiving screw fasteners secured on said welding rod holder.
Claim 2
Dependent Claim
142 words
A welding light assembly, comprising, in combination, a welding rod holder and welding light mounted thereupon, for illuminating an area of a weld at the front end of said holder, a high voltage bulb, a sleeve enclosing a larger rear portion of said bulb, while a smaller forward portion of said bulb protrudes outwardly into a translucent cover on said sleeve front end, a recess inside said cover receiving and enclosing a said bulb forward portion, a pair of rearwardly extending prongs from a rear of said sleeve electrically being connected to said bulb, a resistor connected between said prongs, a spherical ball fixedly secured to an outer side of said sleeve, a socket member in which said ball is swiveled, a flange included on said socket member, and holes through said flange receiving screw fasteners secured on said welding rod holder.
Claim 3
Dependent Claim
20 words
The combination as set forth in claim 1, wherein said prongs are electrically connected to a welding machine electric current.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-30 | 1985-06-01 | 1985-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-30 | 1989-06-01 | 1989-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-30 | 1993-06-01 | 1993-12-01 | $7700.00 | Window Closed / Lapsed |