Heating sleeve
United States Patent D801496

Letham, Shaun (Marion Center, PA, US)
Application Number:
Publication Date:
Filing Date:
Letham Shaun
Primary Class:
Other Classes:
International Classes:
(IPC1-7): 2303
Field of Search:
D23/328, D23/332, D23/144.1, D7/323, D7/331, D7/355, D7/356, D7/362, D7/365
View Patent Images:
US Patent References:
9485806Stabilized beverage container warming deviceNovember, 2016McClendon
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6870135Beverage container warmerMarch, 2005Hamm et al.
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20040140304Baby bottle chiller/warmer and method of useJuly, 2004Leyendecker
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6353211Electric heating deviceMarch, 2002Chen219/211
6278091Removable cloth sleeve with incorporated heating coilAugust, 2001Van Gooden219/528
D442833Insulated beverage holderMay, 2001ShumanD7/608
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6075229Cup warmer holderJune, 2000Vanselow219/432
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D305396Combined food container and heating elementJanuary, 1990WellerD7/347
4801782Heated cupJanuary, 1989Ineson219/438
4462444Insulating jacket for a beverage containerJuly, 1984Larson215/12.1
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3892945Electric bottle warmerJuly, 1975Lerner200/85R
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Foreign References:
WO/2006/040540April, 2006PORTABLE FOOD WARMER
Other References:
Durtherm Processing Systems, Swaged Sleeve Heaters, undated, online product page, noted for MAXPAK product, Retrieved Apr. 27 from .
Primary Examiner:
Lane, Sheryl
Assistant Examiner:
Vansant, Calvin E.
Attorney, Agent or Firm:
Kaufhold Dix Patent Law (P. O. BOX 89626 SIOUX FALLS SD 57109)

1. The ornamental design for a heating sleeve, as shown and described.


FIG. 1 is a front view of a heating sleeve showing my new design, a rear view being a mirror image thereof;

FIG. 2 is a left side view of the heating sleeve;

FIG. 3 is a right side view of the heating sleeve;

FIG. 4 is a top view of the heating sleeve;

FIG. 5 is a bottom view of the heating sleeve; and,

FIG. 6 is a top front side perspective view of the heating sleeve.

The heating sleeve is shown with a symbolic break, the appearance of any portion of the article between the break lines forms no part of the claimed design.