Room air filter
United States Patent D328946

Havrilla, George S. (566 Saw Creek Estates, Bushkill, PA, 18324)
Application Number:
Publication Date:
Filing Date:
Primary Class:
Other Classes:
Field of Search:
D23/364, D23/365, 55/DIG.31, 55/498, 422/5, 422/120, 428/905, D9/351, D9/350, D9/355, D9/353, D9/424, D9/414, D9/428, D13/132, D26/68, D26/110
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US Patent References:
D319552Toilet tissue canisterSeptember, 1991ChristensenD9/351
D316459Outdoor bollard lighting fixtureApril, 1991KiraD26/68
4628970Apparatus for refilling compressed-gas bottlesDecember, 1986Vasella422/120
D257898Modular lamp stand for indirect lightingJanuary, 1981Schoze et al.D26/110
4178346Incense burner deviceDecember, 1979Allen et al.422/5
4075106Filtering deviceFebruary, 1978Yamazaki55/498
3853519GAS FILTERDecember, 1974York, Jr.55D/IG3.1
3464546PACKAGING OF PAINTS AND THE LIKESeptember, 1969ThomkaD9/351
3156383Expansible single use dispensing containerNovember, 1964MelliD9/350
D148226N/ADecember, 1947GalehouseD26/110
D105274N/AJuly, 1937FuerstD9/351

Foreign References:
CA1169363June, 198455/498
Other References:
Sporty's Tool Shop Cat., .COPYRGT.1983, p. 39, Well Light Assembly, bottom right side of page.
Devine Design Adv. Cat., .COPYRGT.1986, p. 10, Light A, lower left side of page.
Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Lichtenstein, Lisa
Attorney, Agent or Firm:
Roberts, Richard S.
1. The ornamental design for a room air filter, as shown and described.


FIG. 1 is a top, front perspective view of a room air filter, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof, the opposite side being a mirror image of that shown; and,

FIG. 6 is a rear elevational view thereof.

The conventional electrical cord is shown fragmentarily in FIGS. 2, 4, 5, and 6 for ease of illustration.