Combined ventilating and purging blower

- T.A. Pelsue Company
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of a combined ventilating and purging blower showing my new design;

FIG. 2 is a right side elevation thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevation thereof; and,

FIG. 5 is a front elevation thereof.

The left side elevation is a mirror image of the right side elevation shown in FIG. 2.

Referenced Cited
U.S. Patent Documents
D242459 November 1976 Gerst
D262235 December 8, 1981 Hamilton
D269115 May 24, 1983 Gomis
3096933 July 1963 Bora
4612909 September 23, 1986 Lee
Other references
  • Coppus catalogue 1985, p. 22, "Coppus RF Air Driven Reaction Fan". LaFrance Equip. Co. catalogue (1978), p. 83, "Smoke Ejector" Fan.
Patent History
Patent number: D291243
Type: Grant
Filed: Oct 11, 1985
Date of Patent: Aug 4, 1987
Assignee: T.A. Pelsue Company (Englewood, CO)
Inventor: Allan E. Beavers (Littleton, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Edwin L. Spangler, Jr.
Application Number: 6/786,503
Classifications
Current U.S. Class: D23/162; D23/151