Material level indicator actuator
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Description
Claims
I claim the ornamental design for a material level indicator actuator, as shown and described.
Referenced Cited
U.S. Patent Documents
910606 | January 1909 | Swanson |
3685356 | August 1972 | Zimmerman |
4799383 | January 24, 1989 | Johnson et al. |
4829820 | May 16, 1989 | Johnson et al. |
5088323 | February 18, 1992 | Johnson et al. |
6067927 | May 30, 2000 | Johnson et al. |
20160216147 | July 28, 2016 | Johnson |
Patent History
Patent number: D848874
Type: Grant
Filed: Jul 17, 2017
Date of Patent: May 21, 2019
Assignee: LTJ ENTERPRISES, INC. (Roseau, MN)
Inventor: Thomas C. Johnson (Roseau, MN)
Primary Examiner: Antoine Duval Davis
Application Number: 29/610,897
Type: Grant
Filed: Jul 17, 2017
Date of Patent: May 21, 2019
Assignee: LTJ ENTERPRISES, INC. (Roseau, MN)
Inventor: Thomas C. Johnson (Roseau, MN)
Primary Examiner: Antoine Duval Davis
Application Number: 29/610,897
Classifications
Current U.S. Class:
Spirit Level (D10/69)