Plug for a hammer union
Latest Protective Industries, Inc. Patents:
Description
Claims
The ornamental design for a plug for a hammer union, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Hammer Union Plug, Hammer Union Protection, Caplugs.com, Searched Aug. 7, 2014, http://www.caplugs.com/productdetails.aspx?id=1000047&itemno=HU+SERIES.
- Caplugs commercial plug for a hammer union Jul. 2011.
Patent History
Patent number: D726286
Type: Grant
Filed: Sep 4, 2012
Date of Patent: Apr 7, 2015
Assignee: Protective Industries, Inc. (Buffalo, NY)
Inventors: Frederick W. Zeyfang (Erie, PA), Cory Michael Sierant (Newfane, NY)
Primary Examiner: Eric Goodman
Assistant Examiner: Steven Czyz
Application Number: 29/421,680
Type: Grant
Filed: Sep 4, 2012
Date of Patent: Apr 7, 2015
Assignee: Protective Industries, Inc. (Buffalo, NY)
Inventors: Frederick W. Zeyfang (Erie, PA), Cory Michael Sierant (Newfane, NY)
Primary Examiner: Eric Goodman
Assistant Examiner: Steven Czyz
Application Number: 29/421,680
Classifications
Current U.S. Class:
Cap, Plug, Vent Or Screen (11) (D23/260)