Filter adapter head
United States Patent D356625

Petrucci, Raymond M. (Middlebury, CT)
Cheatwood, Harry T. (Stillwater, OK)
Application Number:
Publication Date:
Filing Date:
Hydro Systems International
PureMark USA, Inc.
Srl W. F.
Primary Class:
Other Classes:
Field of Search:
D23/209, D23/207, D9/447, D9/440, D9/434, D9/436, D9/449, 215/200, 215/228, 215/318, 215/321, 215/329, 220/200, 220/212, 220/288, 222/144.5, 222/569, 210/278
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US Patent References:
D336430Valved pouring spoutJune, 1993Maguire et al.D9/447
D333787Dispenser for a containerMay, 1993Hirst et al.D9/435
5174337Water conditioner rotary valveDecember, 1992Dahlen et al.210/278
D327016Bottle capJune, 1992LeuenbergerD9/435
D320640Water filterOctober, 1991GoodrowD23/209
D316208Liquid measuring-dispenser tap for a beverage bottle or similar articleApril, 1991Griffiths et al.D9/436
4830058Closure cap with clutch-actuated releaseMay, 1989Harris220/200
D286620Combined cap and end plug structure for extrusion tubes and the likeNovember, 1986SchneiderD9/435
D234843N/AApril, 1975TaylorD23/209

Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Brown M.
Attorney, Agent or Firm:
Crutcher, William C.
1. The ornamental design for a filter adapter head, as shown and described.


FIG. 1 is a top plan view of a filter adapter head showing our new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being substantially identical mirror image; and,

FIG. 5 is a top and right side perspective view thereof.