U.S. patent number D806,308 [Application Number D/542,137] was granted by the patent office on 2017-12-26 for optical diffuser.
This patent grant is currently assigned to PALO ALTO RESEARCH CENTER INCORPORATED. The grantee listed for this patent is Palo Alto Research Center Incorporated. Invention is credited to Ramkumar Abhishek, Patrick Yasuo Maeda, Ashish Pattekar, Christopher Paulson.
United States Patent |
D806,308 |
Pattekar , et al. |
December 26, 2017 |
Optical diffuser
Claims
CLAIM We claim the ornamental design for an optical diffuser, as
shown and described.
Inventors: |
Pattekar; Ashish (Cupertino,
CA), Paulson; Christopher (Livermore, CA), Abhishek;
Ramkumar (Menlo Park, CA), Maeda; Patrick Yasuo (San
Jose, CA) |
Applicant: |
Name |
City |
State |
Country |
Type |
Palo Alto Research Center Incorporated |
Palo Alto |
CA |
US |
|
|
Assignee: |
PALO ALTO RESEARCH CENTER
INCORPORATED (Palo Alto, CA)
|
Family
ID: |
50622192 |
Appl.
No.: |
D/542,137 |
Filed: |
October 12, 2015 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
Issue Date |
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29490179 |
May 7, 2014 |
D740995 |
|
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|
13671372 |
Jul 1, 2014 |
8764247 |
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Current U.S.
Class: |
D26/121 |
Current CPC
Class: |
F21K9/232 20160801;
F21V29/00 20130101; F21V29/83 20150115; F21Y2115/10 20160801 |
Current International
Class: |
2699 |
Field of
Search: |
;D26/24,67,72,85,93,104,113,118,121,129 ;D11/131,141 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
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1453107 |
|
Sep 2004 |
|
EP |
|
WO2009/071111 |
|
Jun 2009 |
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WO |
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WO2011109092 |
|
Sep 2011 |
|
WO |
|
WO2011109098 |
|
Sep 2011 |
|
WO |
|
Primary Examiner: Vinson; Brian N.
Attorney, Agent or Firm: Hollingsworth Davis, LLC
Description
FIG. 1 is a front perspective view of an optical diffuser according
to the invention.
FIG. 2 is a front elevation view of an optical diffuser according
to the invention.
FIG. 3 is a top plan view of an optical diffuser according to the
invention.
FIG. 4 is a bottom plan view of an optical diffuser according to
the invention; and,
FIG. 5 is a front perspective view of an optical diffuser according
to the invention as it may be used atop a light emitting diode
(LED) light bulb base with heat sink.
Items shown in broken lines are for illustrative purposes only and
form no part of the claimed invention.
* * * * *