Nozzle core of a nozzle assembly for cleaning heat exchanger tubes
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Description
Claims
The ornamental design for a nozzle core of a nozzle assembly for cleaning heat exchanger tubes, as shown and described.
Referenced Cited
U.S. Patent Documents
1022974 | April 1912 | Sargeant |
3263934 | August 1966 | Hope, Jr. et al. |
3934303 | January 27, 1976 | Neithercutt |
4643248 | February 17, 1987 | Voith et al. |
5448795 | September 12, 1995 | Boughal |
D391349 | February 24, 1998 | Chih |
5836522 | November 17, 1998 | Przystawik |
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Patent History
Patent number: D567900
Type: Grant
Filed: Feb 22, 2007
Date of Patent: Apr 29, 2008
Assignee: Conco Systems, Inc. (Verona, PA)
Inventors: Daniel R. Patterson (Oakmont, PA), Jeremy A. Watt (Pittsburgh, PA)
Primary Examiner: Robin V Webster
Attorney: Kratz, Quintos & Hanson, LLP.
Application Number: 29/272,957
Type: Grant
Filed: Feb 22, 2007
Date of Patent: Apr 29, 2008
Assignee: Conco Systems, Inc. (Verona, PA)
Inventors: Daniel R. Patterson (Oakmont, PA), Jeremy A. Watt (Pittsburgh, PA)
Primary Examiner: Robin V Webster
Attorney: Kratz, Quintos & Hanson, LLP.
Application Number: 29/272,957
Classifications
Current U.S. Class:
Dispersal (i.e., Sprayer, Fogger, Nozzle, Aerator, Etc.) (4) (D23/213)