Title:
Portable heater
United States Patent D471622
US Patent References:
/D063321.html
Pirson - - D063321

/D176082.html
Puzey et al. - - D176082

Outdoor heater
Anderson - - D325963

Patio heater with a hexagonal base and hexagonal covers
Olson et al. - - D429324

Heating apparatus
Waters - - 6192878


Representative Image:
Portable heater
Inventors:
Bossler, Martin C. (Spring Grove, IL)
Application Number:
D/161574
Publication Date:
03/11/2003
Filing Date:
05/31/2002
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Assignee:
Uniflame Corporation (Zion, IL)
Primary Class:
D23/335
Other Classes:
D23/342, D23/339
Field of Search:
126/92AC, D23/336, D26/58, D26/153, 126/93, D23/335, D26/93, D23/339, 431/331, D23/328, 362/92, D26/59, D25/126, 126/90R, 362/253, 126/92B, 431/334, 126/92R, D23/332, 362/217, D23/342, D26/51
US Patent References:
D445889Miniature patio heater shroudResmo et al.D23/386
D446290Gas heaterJengD23/328
D447796Miniature patio heater baseResmo et al.D23/386
D451988HeaterAshton et al.D23/328
D455204Portable heaterBosslerD23/342
D456498Combined gas heater and tableJengD23/328
6397835Portable gas burnerLiang126/92B
Primary Examiner:
Bullock B. J.
Attorney, Agent or Firm:
Greer, Burns & Crain, Ltd.
Claims:
1. The ornamental design for a portable heater, as shown and described.

Description:
FIG. 1 is a front perspective view of the patio heater of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design.