Patent US4020047A successfully refreshed from Google Patents.
US4020047A
Expired / Lapsed
US
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Emergency vehicle light
Assignee: Individual
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Filing: 1975-07-11
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Granted: 1977-04-26
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Expires: 1995-07-11
Abstract
Abstract An emergency vehicle light wherein an elongated plastic globe is secured to an elongated base for mounting atop the vehicle, the globe being generally obround in plan having longitudinally extending sidewalls and hemicylindrical end walls, the sidewalls being equipped with stepped internal ribs to support placards so as to transmit different visual images than from lights within the globe.
Inventors
- 👤 Oliver John Burland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:48
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
In an emergency vehicle light including an elongated base adapted to be mounted on a vehicle roof and equipped with a plurality of longitudinally aligned warning lights mounted atop said base, and an elongated translucent globe mounted on said base and enclosing said lights, the improvement characterized by the fact that said globe is generally obround in plan having generally straight sidewalls and generally hemicylindrical end walls all integral with a generally flat top, a plurality of horizontally spaced apart, vertically extending ribs on the interior of said walls adapted to receive placards to transmit different visual images than from said lights alone, a plurality of placards mounted between adjacent ribs, the ribs on said sidewalls having a stepped profile in horizontal section to support the vertical edge of an associated placard away from its associated sidewall, each of said sidewall ribs having associated therewith clip means for restraining inward movement of said associated placard, said clip means being integral with said sidewalls and located adjacent the top thereof.
Claim 2
Dependent Claim
169 words
In an emergency vehicle light including an elongated base adapted to be mounted on a vehicle roof and equipped with a plurality of longitudinally aligned warning lights mounted atop said base, and an elongated translucent globe mounted on said base and enclosing said lights, the improvement characterized by the fact that said globe is generally obround in plan having generally straight sidewalls and generally hemicylindrical end walls all integral with a generally flat top, a plurality of horizontally spaced apart, vertically extending ribs on the interior of said walls adapted to receive placards to transmit different visual images than from said lights alone, a plurality of placards mounted between adjacent ribs, the ribs on said sidewalls having a stepped profile in horizontal section to support the vertical edge of an associated placard away from its associated sidewall, each of said sidewall ribs having associated therewith clip means for restraining inward movement of said associated placard, said clip means being integral with said sidewalls and located adjacent the top thereof.
References Cited (Backward Citations)
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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) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |