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US3787083A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety vehicle bumper

Assignee: Lee Raymond Organization Inc
•
Filing: 1972-06-06
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Granted: 1974-01-22
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Expires: 1992-06-06
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Abstract

Abstract A safety bumper for automotive vehicles with energy absorption properties to minimize the shock of collision. The bumper consists of a metal facing which is backed by blocks of foamed plastic, such as polyurethane, encased in porous plastic or fabric sheeting. For installation, on the front and on the rear of existing automobiles, the present metal bumper is retained as the metal facing, and the plastic foam formed in place, or affixed by means of adhesive to fill the space between the existing bumper and the front or the rear of the automobile body.

Inventors

  • 👤 J Perlberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:34
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/24; B60R19/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 131 words
A replaceable shock absorbent bumper for the protection of an automotive vehicle from the effects of longitudinal collision, consisting of an external metal facing which is fastened to the frame of the vehicle, externally of the vehicle frame, with encased blocks of foamed plastic material or foamed latex mounted between the said external metal facing and the frame of the vehicle, in which the foamed plastic or foamed latex is in the form of individual blocks encased in a container of plastic sheeting, with the said container of plastic sheeting fitted with a zipper type fastener for removing and replacing a foamed plastic or latex blocks, as required, said plastic sheeting of the said container being fitted with air holes to provide venting of all surfaces of the encased foam material.
Claim 2
Dependent Claim 131 words
A replaceable shock absorbent bumper for the protection of an automotive vehicle from the effects of longitudinal collision, consisting of an external metal facing which is fastened to the frame of the vehicle, externally of the vehicle frame, with encased blocks of foamed plastic material or foamed latex mounted between the said external metal facing and the frame of the vehicle, in which the foamed plastic or foamed latex is in the form of individual blocks encased in a container of plastic sheeting, with the said container of plastic sheeting fitted with a zipper type fastener for removing and replacing a foamed plastic or latex blocks, as required, said plastic sheeting of the said container being fitted with air holes to provide venting of all surfaces of the encased foam material.

References Cited (Backward Citations)

US2837145A Cited
US3230675A Cited
US3493257A Cited
US3411304A Cited
US3666310A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-01-21 1977-07-23 1978-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-21 1981-07-23 1982-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-21 1985-07-23 1986-01-22 $7700.00 Window Closed / Lapsed

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