Portable blowup underpinning for trailers

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Description

FIG. 1 is a side perspective view of a portable blowup underpinning in a deflated state showing my new design;

FIG. 2 is a rear perspective view thereof in a partially inflated state;

FIG. 3 is a rear perspective view thereof in the partially inflated state;

FIG. 4 is a side perspective view thereof in a fully inflated state;

FIG. 5 is a front perspective view thereof in the fully inflated state;

FIG. 6 is a zoomed in view of a portion of the portable blowup underpinning in the deflated state including an air compressor;

FIG. 7 is a zoomed in view of a portion of the portable blowup underpinning in the fully inflated state including the air compressor;

FIG. 8 is a side perspective view of the portable blowup underpinning including a plurality of trailer securing devices;

FIG. 9 is a zoomed in view of a portion of the portable blowup underpinning including a storage portion;

FIG. 10 is a side perspective view of the portable blowup underpinning including the plurality of trailer securing devices; and,

FIG. 11 is a bottom perspective view thereof.

Broken lines are for illustrative purposes only, and form no part of the claimed design.

Claims

The ornamental design for a portable blowup underpinning for trailers, as shown and described.

Referenced Cited
U.S. Patent Documents
D869993 December 17, 2019 Sagen
D873720 January 28, 2020 Carter
D893357 August 18, 2020 Butler
D924524 July 6, 2021 Powell
D925154 July 13, 2021 Xing
D927116 August 3, 2021 Demartini
D927818 August 10, 2021 Li
D928665 August 24, 2021 Williams
D929067 August 24, 2021 Kowalski
D930314 September 7, 2021 Huang
20020176749 November 28, 2002 Provost
20060001230 January 5, 2006 Finch
20180346042 December 6, 2018 Elliott
Patent History
Patent number: D942331
Type: Grant
Filed: Jun 17, 2020
Date of Patent: Feb 1, 2022
Inventors: Sandra Wilburn (Broken Bow, OK), Rex Wilburn (Broken Bow, OK)
Primary Examiner: Katrina A Betton
Application Number: 29/738,419
Classifications