Progressive fresnel lens element
Granted 13 Nov 2018 · 2 office actions
Current assignee: DELTA INTELLIGENT BUILDING TECHNOLOGIES (USA), LLC · originally AMERLUX LLC
Law firm: Law firm · Log in to unlock
Attorney: Attorney · Log in to unlock
Inventors: Feng Zhao · Examiner: Manpreet S Matharu · AU 2915 · TC 2900
Life of the application
10 dated eventsDescription
1 parts›FIG. 1 is a top, right perspective for…
FIG. 1 is a top, right perspective for the progressive fresnel lens element;
FIG. 2 is a top, left perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front end view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a bottom left perspective view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is a bottom right perspective view thereof; and,
FIG. 10 is a rear end view thereof.
Claims as granted
1 claimLog in to read the claims of this application.
Log in to unlockClassifications
2 codesClaim changes
SoonSee which claims were amended, added or cancelled during examination, with every added and removed word marked.
The published claims of this application are not paired with the granted ones in what we hold.
File wrapper
See the full prosecution history — every USPTO and applicant action on this file, in order.
Log in to unlockDocuments
Log in to open the documents of this file: the application as filed, every office action and response, the notice of allowance.
Log in to unlockChain of title
See the full assignment history — every owner this patent has passed through, with recordation dates and reel/frame numbers.
Log in to unlock