Nozzle sleeve of a nozzle assembly for cleaning heat exchanger tubes
Description
Claims
The ornamental design for a nozzle sleeve 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 |
5862568 | January 26, 1999 | Sjoberg |
6609531 | August 26, 2003 | Lesko |
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Patent History
Patent number: D570953
Type: Grant
Filed: Feb 22, 2007
Date of Patent: Jun 10, 2008
Inventors: Daniel R. Patterson (Oakmont, PA), Jeremy A. Watt (Pittsburgh, PA)
Primary Examiner: Robin V Webster
Attorney: Kratz, Quintos & Hanson, LLP
Application Number: 29/272,956
Type: Grant
Filed: Feb 22, 2007
Date of Patent: Jun 10, 2008
Inventors: Daniel R. Patterson (Oakmont, PA), Jeremy A. Watt (Pittsburgh, PA)
Primary Examiner: Robin V Webster
Attorney: Kratz, Quintos & Hanson, LLP
Application Number: 29/272,956
Classifications
Current U.S. Class:
Dispersal (i.e., Sprayer, Fogger, Nozzle, Aerator, Etc.) (4) (D23/213)