USD833670SActiveUtility

Progressive fresnel lens element

53
Assignee: AMERLUX LLCPriority: Jun 6, 2016Filed: Jun 6, 2016Granted: Nov 13, 2018
Est. expiryJun 6, 2036(~9.9 yrs left)· nominal 20-yr term from priority
Inventors:Feng Zhao
53
PatentIndex Score
6
Cited by
20
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a progressive fresnel lens element, as shown and described.

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