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US3769931A Expired / Lapsed US ⏱️ 0.0 years remaining

Low overhead warning device

Assignee: Individual
•
Filing: 1972-01-03
•
Granted: 1973-11-06
•
Expires: 1992-01-03
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Abstract

Abstract At one side of the front of a truck body a mounting plate is affixed to the body and spaced therefrom. A one-quarter inch steel rod has its proximal end secured to the plate. The rod angles upwardly and forwardly above the truck cab. The distal end of the rod is vertically upward and supports a steel wire feeler which extends to an elevation above the top of the truck body. A corresponding construction is affixed to the other side of the front of the truck body.

Inventors

  • 👤 J Babut
  • 👤 S Morek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 22:00
CPC Classifications
B; B60; B60R; B60R16/00; B60R16/02; B60R16/023; B60R16/0231; B60R16/0232

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 149 words
A clearance warning apparatus for use with a vehicle having a cab and an enclosure at least partially behind the cab which enclosure extends to an elevation above the cab and has a front wall, said apparatus comprising: a warning device attached to said front wall and comprising a vertical mounting plate; means for affixing said plate to said wall; an arm having its proximal end affixed to said plate, said arm extending forwardly above said cab in an angular upwardly direction; a flexible feeler, relatively thin compared to said arm, extending vertically from the distal end to said arm, said arm being threaded at its distal end; a cap threaded onto said distal end, said feeler being secured to said cap; and a plurality of small hollow spacers between said plate and said wall and positioning said plate away from said wall, said means extending through said spacers.
Claim 2
Dependent Claim 149 words
A clearance warning apparatus for use with a vehicle having a cab and an enclosure at least partially behind the cab which enclosure extends to an elevation above the cab and has a front wall, said apparatus comprising: a warning device attached to said front wall and comprising a vertical mounting plate; means for affixing said plate to said wall; an arm having its proximal end affixed to said plate, said arm extending forwardly above said cab in an angular upwardly direction; a flexible feeler, relatively thin compared to said arm, extending vertically from the distal end to said arm, said arm being threaded at its distal end; a cap threaded onto said distal end, said feeler being secured to said cap; and a plurality of small hollow spacers between said plate and said wall and positioning said plate away from said wall, said means extending through said spacers.
Claim 3
Dependent Claim 32 words
An apparatus as set forth in claim 1 wherein said arm is steel wire approximately 1/4 inch in diameter; and said flexible feeler is spring steel wire approximately 3/32 inch in diameter.
Claim 4
Dependent Claim 27 words
An apparatus as set forth in claim 1, wherein two of said warning devices are used and are respectively affixed adjacent opposite sides of said front wall.

References Cited (Backward Citations)

US36181A Cited
US2193747A Cited
US2411095A Cited
US2554371A Cited
US2646240A Cited
US2641686A Cited
US2834002A Cited
US3037187A Cited
US3137267A Cited
US3232265A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-11-05 1977-05-07 1977-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-11-05 1981-05-07 1981-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-11-05 1985-05-07 1985-11-06 $7700.00 Window Closed / Lapsed

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