Patent
   D961746
Priority
Apr 24 2020
Filed
Apr 04 2022
Issued
Aug 23 2022
Expiry
Aug 23 2037
Assg.orig
Entity
unknown
0
9
n/a
The ornamental design for a lightweight portable heating device, showing our new design, as shown and described.

This invention was made with government support under W911QY-18-9-0017 awarded by U.S. Department of the Army. The government has certain rights in the invention.

FIG. 1 is a top, front, and right side perspective view of a lightweight portable heating device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings are for the purpose of illustrating portions of the lightweight portable heating device and form no part of the claimed design.

Scaringe, Robert P., Rodriguez, Christian O.

Patent Priority Assignee Title
Patent Priority Assignee Title
4873841, Apr 03 1989 Portable cooler
5319937, Oct 10 1991 IGLOO PRODUCTS CORP Thermoelectric cooler and warmer
8985557, Jul 20 2011 PURITAN PARTNERS, LLC Mobile cooling device
20070119187,
20080060374,
20100106229,
20110238362,
20150305090,
239695,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 24 2020RODRIGUEZ, CHRISTIAN O MAINSTREAM ENGINEERING CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0594900470 pdf
Apr 24 2020SCARINGE, ROBERT P MAINSTREAM ENGINEERING CORPORATIONASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0594900470 pdf
Apr 04 2022MAINSTREAM ENGINEERING CORPORATION(assignment on the face of the patent)
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