Patent US4763238A successfully refreshed from Google Patents.
Patent US4053760A successfully refreshed from Google Patents.
US4053760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning light guard
Assignee: Individual
•
Filing: 1976-05-10
•
Granted: 1977-10-11
•
Expires: 1996-05-10
Abstract
Abstract A protective guard for warning lights, such as those displayed around construction sites, which includes a rectangular metal base adapted to enclose the lower or battery portion of the light, an arched wall proportioned to extend up and over the lamp portion of the light, front and back grids fixed to the arched wall to protect the lamp portion while permitting light to shine through in at least two opposite directions and a mounting bracket fixed to the base and adapted for use in securing the light and guard to a support such as a metal drum or barrier, whereby the warning light is protected against theft and accidental or malicious damage.
Inventors
- 👤 Charles A. Glazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:52
CPC Classifications
F; F21; F21V; F21V15/00; F21W; F21W2111/00; F21W2111/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
84 words
A warning light guard comprising, a rectangular base portion adapted to enclose laterally the battery housing portion of a warning light, an upper portion fixed on the base and including a solid metal band fitting freely around the lamp portion of the light and a strong substantially flat metal grid covering the space between the upper edges of the base portion and the edges of said band, and a mounting bracket fixed on the base portion, for attachment of the guard to a support.
Claim 2
Dependent Claim
84 words
A warning light guard comprising, a rectangular base portion adapted to enclose laterally the battery housing portion of a warning light, an upper portion fixed on the base and including a solid metal band fitting freely around the lamp portion of the light and a strong substantially flat metal grid covering the space between the upper edges of the base portion and the edges of said band, and a mounting bracket fixed on the base portion, for attachment of the guard to a support.
Claim 3
Dependent Claim
24 words
A warning light guard according to claim 1 wherein the ends of the metal band are welded to opposite edges of the base portion.
Claim 4
Dependent Claim
51 words
A warning light guard according to claim 1 wherein the base portion is open downwardly, the mounting bracket projects laterally and downwardly from one side of the base portion, and which includes means for holding a warning light in the guard and for mounting the guard and light on a support.
Claim 5
Dependent Claim
170 words
A warning light guard comprising a downwardly open base portion adapted to enclose laterally the lower portion of a warning light, an upper portion fixed on the base and including a solid metal band fitting freely around the lamp portion of the light and a strong metal grid covering the space between the upper edges of the base portion and the edges of said band, a mounting bracket projecting laterally and downwardly from one side of the base portion, for attachment of the guard to a support, and means for holding a warning light in the guard and for mounting the guard light on a support, the guard being adapted for use with a warning light having a nut in its base, and the means for holding the light and mounting the guard and light on a support comprising a bolt adapted to pass through the mounting bracket, a portion of a support, a hole in the guard base portion and the bore of the nut in the lamp base.
Claim 6
Dependent Claim
170 words
A warning light guard comprising a downwardly open base portion adapted to enclose laterally the lower portion of a warning light, an upper portion fixed on the base and including a solid metal band fitting freely around the lamp portion of the light and a strong metal grid covering the space between the upper edges of the base portion and the edges of said band, a mounting bracket projecting laterally and downwardly from one side of the base portion, for attachment of the guard to a support, and means for holding a warning light in the guard and for mounting the guard light on a support, the guard being adapted for use with a warning light having a nut in its base, and the means for holding the light and mounting the guard and light on a support comprising a bolt adapted to pass through the mounting bracket, a portion of a support, a hole in the guard base portion and the bore of the nut in the lamp base.
Claim 7
Dependent Claim
26 words
A warning light guard according to claim 4 wherein the bolt is provided with a round head and specially formed socket not engageable by normal tools.
References Cited (Backward Citations)
US811810A
Cited
GB190920882A
Cited
US1403935A
Cited
US1448345A
Cited
US2569068A
Cited
DE839829C
Cited
US2777052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-10 | 1981-04-11 | 1981-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-10 | 1985-04-11 | 1985-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-10 | 1989-04-11 | 1989-10-11 | $7700.00 | Window Closed / Lapsed |