Pipe extension
Latest Rockler Companies, Inc. Patents:
Description
Claims
The ornamental design for a pipe extension, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Pasco Tools & Electrical, p. C-3 (“The Drain Key”); 1 page (publically available at least prior to Oct. 8, 2007).
- Pasco Tools & Electrical, p. C-33(“Internal Nipple Wrench”); 1 page (publically available at least prior to Oct. 8, 2007).
Patent History
Patent number: D597637
Type: Grant
Filed: Nov 25, 2008
Date of Patent: Aug 4, 2009
Assignee: Rockler Companies, Inc. (Medina, MN)
Inventors: Steven Krohmer (Coon Rapids, MN), Daniel P. Banasik (Eagan, MN)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: Westman, Champlin & Kelly, P.A.
Application Number: 29/328,469
Type: Grant
Filed: Nov 25, 2008
Date of Patent: Aug 4, 2009
Assignee: Rockler Companies, Inc. (Medina, MN)
Inventors: Steven Krohmer (Coon Rapids, MN), Daniel P. Banasik (Eagan, MN)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: Westman, Champlin & Kelly, P.A.
Application Number: 29/328,469
Classifications
Current U.S. Class:
Pipe, Tubing Or Hose (D23/266)