Title:
Oil filter head
United States Patent D511558


Inventors:
Lindtveit, Herbert E. (Centerport, NY, US)
Application Number:
29/202268
Publication Date:
11/15/2005
Filing Date:
03/29/2004
Assignee:
Westwood Products Inc. (South River, NJ, US)
Primary Class:
International Classes:
(IPC1-7): 2301
Field of Search:
210/DIG.17, D23/207, 210/232, D23/209, 210/440, 210/493.2, 210/443-4, 210/249, 210/450
View Patent Images:
US Patent References:
6656353Venturi feeder bypass and controlDecember, 2003Kilawee et al.210/198.1
6488845Oil filter unit with quick-drain valve actuatorDecember, 2002Neufeld et al.210/232
D455194Filter housing headerApril, 2002Kurth et al.D23/209
D456486Filter housing headerApril, 2002Kurth et al.D23/209
2955712High pressure oil filter unit having threaded bowl assembly valve actuating meansOctober, 1960Gutkowski210/234
D188688N/AAugust, 1960SicardD23/209



Other References:
Fuel Filters, Westwood Catalog Supplement #2, pages F1, F2, F3, F4, F5, and F6, dated Sep. 1, 2003.
Oil Filters, page 32, publicly available from Mitco Manufacturing prior to Mar. 29, 2004.
Photographs of oil filter head publicly available from Gar-Ber Filters, Inc. prior to Mar. 29, 2004.
Photographs of oil filter head publicly available from Industrial Aviation prior to Mar. 29, 2004.
Photographs of oil filter head publicly available from Mitco Manufacturing prior to Mar. 29, 2004.
Photographs of oil filter head publicly available from Westwood Products, Inc. prior to Mar. 29, 2004.
Catalog “Gar-Ber Filters”, publicly available from Gar-Ber Filters, Inc. prior to Mar. 29, 2004.
Spin-On Fuel Oil Filters and Elements, page 31, publicly available from Mitco Manufacturing prior to Mar. 29, 2004.
Primary Examiner:
WEBSTER, ROBIN VALERY
Attorney, Agent or Firm:
CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC (Seattle, WA, US)
Claims:
1. The ornamental design for an oil filter head, as shown.

Description:

FIG. 1 is a top perspective view of an oil filter head showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a rear elevation view thereof.