Four-way spider fitting for a filter system
Description
FIG. 1 is a perspective view of a four-way spider fitting for a filter system, according to the present invention.
FIG. 2 is a top plan view of the four-way spider fitting for a filter system.
FIG. 3 is a bottom plan view of the four-way spider fitting for a filter system; and,
FIG. 4 is a front elevation view of the four-way spider fitting for a filter system, the fitting having a symmetrical opposite rear elevation appearance, and a similar appearance in side elevation view at a view point 90.degree. from that shown in FIG. 4.
The broken line showing of environment in the drawings is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Other references
| D316740 | May 7, 1991 | Kopf |
| 790313 | May 1905 | Redman |
| 1814907 | July 1931 | Dugan |
| 3473550 | October 1969 | Van Scoy et al. |
| 3774604 | November 1973 | Danielsson |
| 3834372 | September 1974 | Turney |
| 5288290 | February 22, 1994 | Brody |
| 5342517 | August 30, 1994 | Kopf |
| 5540668 | July 30, 1996 | Wilson, Jr. et al. |
- A/G Technology Corporation Brochure "Ultrafiltration--Microfiltration--Gas Separation". Pall Corporation Brochure--Microza SP Series "Ultrafiltration Modules". Pall Corporation Brochure "Ultrafiltration for the Pharmaceutical and Bioprocessing Industries".
Patent History
Patent number: D422685
Type: Grant
Filed: Oct 1, 1997
Date of Patent: Apr 11, 2000
Inventor: Henry B. Kopf (Cary, NC)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Reid Hecker
Attorney: Steven J. Hultquist
Application Number: 0/77,288
Type: Grant
Filed: Oct 1, 1997
Date of Patent: Apr 11, 2000
Inventor: Henry B. Kopf (Cary, NC)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Reid Hecker
Attorney: Steven J. Hultquist
Application Number: 0/77,288
Classifications
