T-slot extension bar
Description
Claims
The ornamental design for a t-slot extension bar, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D828745
Type: Grant
Filed: Dec 23, 2016
Date of Patent: Sep 18, 2018
Inventor: Clayton J. Vowels (Crystal Lake, IL)
Primary Examiner: Sandra S Snapp
Assistant Examiner: Ieisha N Price
Application Number: 29/588,901
Type: Grant
Filed: Dec 23, 2016
Date of Patent: Sep 18, 2018
Inventor: Clayton J. Vowels (Crystal Lake, IL)
Primary Examiner: Sandra S Snapp
Assistant Examiner: Ieisha N Price
Application Number: 29/588,901
Classifications
Current U.S. Class:
D8/382