Driver alert sign
Description
The broken lines in
Claims
The ornamental design for a driver alert sign, as shown and described.
Referenced Cited
U.S. Patent Documents
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5973607 | October 26, 1999 | Munyon |
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7174664 | February 13, 2007 | Spencer |
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Patent History
Patent number: D818539
Type: Grant
Filed: Apr 11, 2016
Date of Patent: May 22, 2018
Inventor: Thomas Day, Sr. (Sacramento, CA)
Primary Examiner: Mary Ann Calabrese
Application Number: 29/560,787
Type: Grant
Filed: Apr 11, 2016
Date of Patent: May 22, 2018
Inventor: Thomas Day, Sr. (Sacramento, CA)
Primary Examiner: Mary Ann Calabrese
Application Number: 29/560,787
Classifications
Current U.S. Class:
Signs Or Display Forms (D20/10)