Gradient measuring apparatus
Description
Dashed lines are to show environment and do not form a part of the claimed invention.
Claims
I claim the ornamental design for gradient measuring apparatus, as shown and described.
Referenced Cited
U.S. Patent Documents
1206593 | November 1916 | Reed |
1625683 | April 1927 | Rail |
1984236 | December 1934 | Smith |
2216086 | September 1940 | Meenan |
2292241 | August 1942 | Reeves |
2357817 | September 1944 | Foster |
2486697 | November 1949 | White |
2565615 | August 1951 | McCoy |
2677193 | May 1954 | Truppe |
2782525 | February 1957 | Eubank |
3846781 | November 1974 | Smith |
3900073 | August 1975 | Crum |
4133116 | January 9, 1979 | Devine et al. |
5450909 | September 19, 1995 | Stevenson |
5555942 | September 17, 1996 | Matsushita et al. |
5984018 | November 16, 1999 | Yamamoto et al. |
7089674 | August 15, 2006 | Hendon |
7317977 | January 8, 2008 | Matrosov |
7460941 | December 2, 2008 | Sychra et al. |
20100299031 | November 25, 2010 | Zhdanov et al. |
20120066921 | March 22, 2012 | Wing |
Patent History
Patent number: D743280
Type: Grant
Filed: Dec 16, 2014
Date of Patent: Nov 17, 2015
Inventor: John C. Miller (Allendale, MI)
Primary Examiner: Antoine D Davis
Application Number: 29/512,008
Type: Grant
Filed: Dec 16, 2014
Date of Patent: Nov 17, 2015
Inventor: John C. Miller (Allendale, MI)
Primary Examiner: Antoine D Davis
Application Number: 29/512,008
Classifications