USD216795S - Roof ventilator - Google Patents

Roof ventilator Download PDF

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USD216795S
USD216795S US D216795 S USD216795 S US D216795S
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US
United States
Prior art keywords
roof ventilator
roof
ventilator
indianapolis
ind
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Thomas R. Field
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United States Patent 0 "i e 216,795
Patented Mar. 10, 1970 ROOF VENTILATOR Thomas R. Field, Indianapolis, Ind., assignor to Jenn- Air Corporation, Indianapolis, Ind., a corporation of Indiana Filed May 20, 1969, Ser. No. 17,244
Term of patent 14 years Int. Cl. D23-04 US. Cl. D23-153 FIGURE 1 is a plan view of the roof ventilator. OTHER REFERENCES FIGURE 2 is a side elevation of the roof ventilator.
t H t tl D ember FIGURE 3 1s a perspective view of the roof ventilator. Condl lonmg ea mg & van 1 atmg ec 1968, p. 5, roof exhauster. I claim: The ornamental design for a roof ventilator, as shown. WALLACE BURKE, Primary Examiner Ref Cit d SUSIE J. MERCER, Assistant Examiner UNITED STATES PATENTS D. 210,017 1/1968 Morrison et a1 D23153 2,868,106 l/l959 Knutson et al. 9843

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