Vacuum tube speaker

Information

  • Patent Grant
  • D893460
  • Patent Number
    D893,460
  • Date Filed
    Wednesday, April 11, 2018
    6 years ago
  • Date Issued
    Tuesday, August 18, 2020
    4 years ago
  • Inventors
    • Chen; Hsi-Hsien
  • Original Assignees
  • Examiners
    • Fox; Barbara
    • Smith; Messina L
    Agents
    • Locke Lord LLP
    • Xia, Esq.; Tim Tingkang
  • US Classifications
    Field of Search
    • US
    • D14 204
    • D14 209
    • D14 2091
    • D14 210
    • D14 211
    • D14 217
    • D14 221
    • D14 222
    • D14 224
    • D14 137
    • D14 229
    • D14 251
    • D14 168
    • D14 149
    • D14 253
    • D14 466
    • CPC
    • G10G5/00
    • H04R1/1091
    • H04R1/1075
    • F16M11/22
    • A47F2007/0085
    • A47F7/146
    • A47F7/00
    • A47F7/0028
    • A47F7/0035
    • A47F7/0042
    • A47F5/04
    • A47F5/05
    • B65D85/42
    • A47G25/00
    • A47G25/10
    • A47J47/16
  • International Classifications
    • 1401
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a perspective view of a vacuum tube speaker showing my new design;



FIG. 2 is a front view thereof;



FIG. 3 is a rear view thereof;



FIG. 4 is a left side view thereof;



FIG. 5 is a right side view thereof;



FIG. 6 is a top view thereof;



FIG. 7 is a bottom view thereof; and,



FIG. 8 is an exploded perspective view thereof.


The broken lines shown in the drawings depict portions of the vacuum tube speaker that form no part of the claimed design. The lines shown inside the small circles in FIG. 3 depict portions of the vacuum tube speaker that form no part of the claimed design.


Claims
  • The ornamental design for a vacuum tube speaker, as shown and described.
US Referenced Citations (13)
Number Name Date Kind
2497747 Valdettaro Feb 1950 A
2617956 Hamvas Nov 1952 A
D220544 Unger Apr 1971 S
D371787 Sohn Jul 1996 S
D392640 Tully Mar 1998 S
D525613 Masui Jul 2006 S
D574362 Zhong Aug 2008 S
D598004 Lam Aug 2009 S
D629383 Quilter Dec 2010 S
D717269 Kim Nov 2014 S
D813189 Lundgard Mar 2018 S
D830328 Nugent Oct 2018 S
20190318898 Chen Oct 2019 A1
Foreign Referenced Citations (1)
Number Date Country
2019009738 Jan 2019 JP
Non-Patent Literature Citations (1)
Entry
Taiwan Echowell audio landed in Japan in the fall, announced Jun. 29, 2019 [online], retrieved Nov. 1, 2019, retrieved from internet, https://www.phileweb.com/news/d-av/201906/29/47802.html.