USPatentGranted
S1

Frequency diffuser

Granted 5 Apr 2016 · no office action yet

Assignee: Dennis Kliegle

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Inventors: Dennis Kliegle, David C. Weber, Gary Gotlieb Unterschuetz · Examiner: Derrick Holland · AU 2912 · TC 2900

Application
29/488,510
filed 21 Apr 2014
Publication
Not published
not published
Patent· this page
US D753074
granted 5 Apr 2016

Life of the patent

2 dated events
⤢ drag to zoomApr 2014Jul 2014Oct 2014Jan 2015Apr 2015Jul 2015Oct 2015Jan 2016Apr 2016Prosecution
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Description

1 parts
›FIG. 1 is a front perspective view of…

FIG. 1 is a front perspective view of a frequency diffuser showing our new design.

FIG. 2 is a back perspective view thereof.

FIG. 3 is a top view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a side view thereof; and,

FIG. 6 is a back view thereof.

The design is for a Quadratic Residue Diffuser (QRD) acoustic diffuser which is used to control reflection of sound in a listening environment.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D13/199

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Pendency
2.0 y
715 days filing → grant
Office actions
0
none on record
Examiner
Derrick Holland
art unit 2912 · TC 2900
Citations: 4 back · 0 forward

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