Optical diffuser
Pattekar , et al. December 26, 2
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) | ||||||||||
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| Applicant: |
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| Assignee: | PALO ALTO RESEARCH CENTER
INCORPORATED (Palo Alto, CA) |
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| Family ID: | 50622192 | ||||||||||
| Appl. No.: | D/542,137 | ||||||||||
| Filed: | October 12, 2015 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 29490179 | May 7, 2014 | D740995 | |||
| 13671372 | Jul 1, 2014 | 8764247 | |||
| 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 |
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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.
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