Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Propane fired heater for defrosting frozen pipes or the like
D315597 Propane fired heater for defrosting frozen pipes or the like
Patent Drawings:Drawing: D315597-2    Drawing: D315597-3    Drawing: D315597-4    
« 1 »

(3 images)

Inventor: Botheras, et al.
Date Issued: March 19, 1991
Application: 07/247,305
Filed: September 21, 1988
Inventors: Botheras; Del (Sundre, Alberta), Colenutt; Wayne C. (Sundre, Alberta, CA)
Assignee:
Primary Examiner: Gandy; James M.
Assistant Examiner: Lichtenstein; Lisa
Attorney Or Agent: Davis, Bujold & Streck
U.S. Class: D23/332
Field Of Search: D23/314; D23/332; 219/366; 219/367; 219/368
International Class:
U.S Patent Documents: 3189727; 3692977; 4511787
Foreign Patent Documents:
Other References: Grainger's Wholesale Net Price Cat., Spring 1986, p. 1178 A Propane Convection Heater No. 2E427, right lower side of page..









Abstract:
Claim: The ornamental design for a propane fired heater for defrosting frozen pipes or the like, as shown.
Description: FIG. 1 is a top, front, and left side perspective view of a propane fired heater for defrosting frozen pipes or the like, showing our new design;

FIG. 2 is a top plan view thereof on a reduced scale;

FIG. 3 is a left side elevation view thereof on a reduced scale;

FIG. 4 is a front elevation view thereof on a reduced scale;

FIG. 5 is a right side elevation view thereof on a reduced scale;

FIG. 6 is a rear elevation view thereof on a reduced scale; and

FIG. 7 is a bottom plan view thereof on a reduced scale.

* * * * *
 
 
  Recently Added Patents
Method and system for weighted fair queuing
Method of fabricating a solar cell with a tunnel dielectric layer
Solid-state imaging device and electronic apparatus with antireflection structure
Electronic control apparatus
Touch sensing technology
Solid-state imaging device and imaging apparatus
Method of manufacturing pipe with branch
  Randomly Featured Patents
Assembly for pipe finishing work
Basket carrier blank
Power adapter for providing output power limiting and load-dependent voltage regulation
Container and closure
Method and apparatus for adaptive clock phase control for LSI power reduction
Electroconductive antireflection film
Lockable media storage container
Blind-taper hole saw
Hollow trilobal cross-section filament
Obstacle driving game utilizing reflected image