Mechanical connection unit
Description
Claims
The ornamental design for a mechanical connection unit, as shown and described.
Referenced Cited
U.S. Patent Documents
1621178 | March 1927 | Strub |
2216915 | October 1940 | Johnson |
4121831 | October 24, 1978 | Greene |
4133538 | January 9, 1979 | Ambrose |
4197669 | April 15, 1980 | Hynes |
4310994 | January 19, 1982 | Gephardt |
4317654 | March 2, 1982 | Wahl |
4323244 | April 6, 1982 | Busing |
4323245 | April 6, 1982 | Beaman |
4522404 | June 11, 1985 | Di Gregorio |
4676507 | June 30, 1987 | Patterson |
4753622 | June 28, 1988 | Nakama |
D304215 | October 24, 1989 | Knudsen |
D313437 | January 1, 1991 | Andersen |
5169352 | December 8, 1992 | Petersen |
D335156 | April 27, 1993 | Knudsen |
D335162 | April 27, 1993 | Knudsen |
5221223 | June 22, 1993 | Kao |
6186856 | February 13, 2001 | Chen |
7063587 | June 20, 2006 | Lin |
D641053 | July 5, 2011 | Sidenius |
D641055 | July 5, 2011 | Andersen |
D739896 | September 29, 2015 | Peker |
D784709 | April 25, 2017 | Katav |
9662593 | May 30, 2017 | Eisenberg |
9737826 | August 22, 2017 | Cheng |
Patent History
Patent number: D831752
Type: Grant
Filed: Apr 22, 2016
Date of Patent: Oct 23, 2018
Inventor: Jacob Eisenberg (Suffern, NY)
Primary Examiner: Cynthia M. Chin
Application Number: 29/562,137
Type: Grant
Filed: Apr 22, 2016
Date of Patent: Oct 23, 2018
Inventor: Jacob Eisenberg (Suffern, NY)
Primary Examiner: Cynthia M. Chin
Application Number: 29/562,137
Classifications
Current U.S. Class:
Angled Surface (D21/504)