TREA

Headphone amplifier

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Information

  • Patent Grant
  • D1020681
  • Patent Number
    D1,020,681
  • Date Filed
    Wednesday, November 2, 2022
    2 years ago
  • Date Issued
    Tuesday, April 2, 2024
    10 months ago
  • Inventors
    • Weinreich; Paul
    • Schuster; Philipp
    • Chatt; Alexander
  • Original Assignees
  • Examiners
    • Hill; Keli L
    Agents
    • Raven Patents, LLC
    • Skaugset; Anton E.
  • US Classifications
    Field of Search
    • US
    • D14 167
    • D14 168
    • D14 170-172
    • D14 188
    • D14 193-198
    • D14 2031-2038
    • D14 204
    • D14 2091
    • D14 210-217
    • D14 219
    • D14 221
    • D14 222
    • D14 224
    • D14 239
    • D14 496
    • CPC
    • B60R11/0217
    • G06F1/1688
    • G10K9/22
    • G10K11/004
    • H03F1/327
    • H04M1/03
    • H04M1/035
    • H04N5/642
    • H04N21/4852
    • H04R1/02
    • H04R1/06
    • H04R1/021
    • H04R1/025
    • H04R1/026
    • H04R1/028
    • H04R1/105
    • H04R1/323
    • H04R1/403
    • H04R1/2803
    • H04R1/2834
    • H04R5/02
    • H04R7/20
    • H04R9/06
    • H04R9/025
    • H04R2201/021
    • H04R2400/00
    • H04R2400/07
    • H04R2499/11
    • H04R2499/13
    • H04R2499/15
    • H04S3/00
    • H04S7/30
  • International Classifications
    • 1403
    • Term of Grant
      15Years
Information
Abstract
Description

1. Headphone amplifier


FIG. 1.1is a front, top, and left-side perspective view showing the new design; FIG. 1.2is a front elevation view thereof; FIG. 1.3is a rear elevation view thereof; FIG. 1.4is a left side elevation view thereof; FIG. 1.5is a right side elevation view thereof; FIG. 1.6is a top plan view thereof; FIG. 1.7is a bottom plan view thereof; and FIG. 1.8is a rear, bottom, and right-side perspective view thereof.


The broken lines shown are included for the purpose of illustrating portions of the headphone amplifier that form no part of the claim.


Claims
  • The ornamental design for a headphone amplifier, as shown and described.
US Referenced Citations (13)
Number Name Date Kind
D404736 Alvarez Jan 1999 S
D412705 Laiacona Aug 1999 S
D441744 Miyazaki May 2001 S
D446499 Andre Aug 2001 S
D520502 Xu May 2006 S
D542784 Franck May 2007 S
D550196 Griffin Sep 2007 S
D656124 Smith Mar 2012 S
D732023 Asao Jun 2015 S
D746254 Ito Dec 2015 S
D760684 Green Jul 2016 S
D762614 Matsui Aug 2016 S
D833411 Castle Nov 2018 S
Non-Patent Literature Citations (1)
Entry
Amazon-Lvy Store; “Lvy Headphone Amplifier . . . ”; [online] ‘https://www.amazon.com/dp/B07wdxdnm1’; Dated Aug. 16, 2019; Accessed Jun. 13, 2023; 4pgs. (Year: 2019).