Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2011-03-01
2011-03-01
Lithgow, Thomas M (Department: 1776)
Liquid purification or separation
With repair or assembling means
C210S450000, C210S493300
Reexamination Certificate
active
07897046
ABSTRACT:
The invention comprises a fluid filter for separating contaminants from a liquid. The filter comprises a cylindrical body, a retainer, and a ring. The cylindrical body comprises an aperture disposed therethrough, a filter material for filtering the contaminants from the liquid, and an end cap portion. The retainer is coupled to the end cap portion, and the ring is disposed at least partially between the end cap portion and the retainer. A method for constructing such a filter is also disclosed.
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Photograph of Fleetguard Filter Element, available approximately on Jan. 30, 2004, one page.
Photographs of Hengst Filter Element, available approximately on Jan. 30, 2004, two pages.
Photograph of Hengst Filter Element, available approximately on Jan. 30, 2004, one page.
Photograph of John Deere Filter Element, available approximately on May 6, 2002, one page.
Photographs of Mann Filter Element, available approximately on Jan. 30, 2004, two pages.
Baldwin Filters, Inc.
Leydig , Voit & Mayer, Ltd.
Lithgow Thomas M
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