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Title:
Portable eletric heater
United States Patent D468415
Representative Image:
Portable eletric heater
Inventors:
Moreno, Eleobardo (St. John, IN)
Short, Kevin G. (LaGrange, IL)
Application Number:
D/146532
Publication Date:
01/07/2003
Filing Date:
08/10/2001
Assignee:
Lakewood Engineering and Manufacturing Co. (Chicago, IL)
Primary Class:
Field of Search:
392/365-9, D23/335-341, 126/92B, 312/236, D23/314, D23/328, 392/373-6, 126/92A, D23/332, 126/9A
View Patent Images:
US Patent References:
6015265Box fan with air divider ringLasko et al.
5829956Fan blade assemblyChen et al.
5730651Independent directional-flow air ducts for low-profile window fanChen et al.
5609473Pivot fanLitvin
5382136Expandable window fanWang
5342175GrillPatton
5118252Intake grill for electric fan assemblyChaney
4872399Convertible fan assemblyChaney
4838151Combination window and floor fanShin-Chin
4486144Rotating wind-guiding shell for the fanHung
4120615Box fansKeem et al.
3446429READILY DISASSEMBLED ELECTRIC FANSuzuki et al.
3173478Air distributing unitMaycen
D149715N/AWisting et al.D23/336
D312124FanCoup et al.
D325629Window fanCoup et al.
D329089FanCoup et al.
D336512Combined fan base and fan cage unitCunning
D337819Electric fanCunning
D343231Portable electric heaterLimD23/336
D346019Portable fanCheslock et al.
D359116Electric fanMarvin et al.
D369403Electric fanReveal et al.
D374712Portable electric heaterJane et al.D23/337
D376005Pivot fanLitvin
D387152Portable electrical fanJané et al.
D389235Window fanJané et al.
D391631Pivot fanLitvin
D392735Pivot fanGonzales et al.
D395080Portable electric fanJané et al.
D396278Window fanGonzales
D398983FanKeller et al.
D400242Pivot fanLitvin
D410074Portable ceramic heaterLeeD23/335
D413664FanKeller et al.
D416996Box fanMack
D420121Window fanFelix-Flender
D429804Heater housingRossman et al.D23/341
D451190Grill for a fanChen et al.
RE34551Ducted fanCoup et al.
Other References:
U.S. Trademark Reg. No. 1,697,509; Registered Jun. 30, 1993; Owner: Vornado Air Circulation Systems, Inc. for: Electric Fans in Class 11.
Product Catalog entitled “Fans”, Lakewood Engineering & Mfg. Co., (20 pages), Nov. 1998.
Product Catalog entitled “Fans”, Lakewood Engineering & Mfg. Co., (20 pages) Jan. 2001.
Product Literature of Lasko Air Circulators Fans (1 page) (undated).
Product Literature of a Holmes Convertible and Oscillating Fans, 15 pages (two-sided). (undated).
Product Literature of Lakewood Heaters (1 page). (undated).
Product Literature of Lasko Air Circulators Fans, 1 page, (Date Unknown).
Product Literature of a Holmes Convertible and Oscillating Fans, 15 pages (two-sided), Copyright 1997.
Product Literature of Lasko entitled, “20 inch Box Fan” 1 page, Copyright 1998.
Product Literature of Lasko entitled, “Premium 20 inch Box Fan” 1 page, Copyright 1998.
Product Literature of Lasko entitled, “Ultra Force 20 inch Box Fan” 1 page, (Date Unknown).
Product Literature of Lasko entitled, “Natural Cascade Humidifier” 1 page, Copyright 1998.
Product Literature of Lasko entitled, “9 inch Whirlwind Performance Pivot Fan” 1 page, Copyright 1998.
Product Literature of Lasko entitled, “Cyclone 20″ Air Circulator” 1 page, Nov. 1998.
Product Literature of Lasko entitled, “Air Companion 15″ Air Circulator” 1 page, Nov. 1998.
Product Literature of Lakewood Heaters, 1 page, (Date Unknown).
Product Catalog entitled “Heaters”, Lakewood Engineering & Mfg. Co., 12 pages, Feb. 2001.
Primary Examiner:
Bullock B. J.
Attorney, Agent or Firm:
Wallenstein & Wagner, Ltd.
Claims:
1. What is claimed is the ornamental design for a portable electric heater, as shown and described.

Description:
FIG. 1 is a perspective view of the portable electric heater.

FIG. 2 is a side view of the portable electric heater.

FIG. 3 is an opposite side view of the portable electric heater.

FIG. 4 is the front view of the portable electric heater.

FIG. 5 is the rear view of the portable electric heater.

FIG. 6 is the top plan view of the portable electric heater; and,

FIG. 7 is the bottom view of the portable electric heater.

Broken lines in the Figures form no part of the claimed design.