USD813189S1 - Vacuum tube based audio amplifier - Google Patents

Vacuum tube based audio amplifier Download PDF

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Publication number
USD813189S1
USD813189S1 US29/613,548 US201729613548F USD813189S US D813189 S1 USD813189 S1 US D813189S1 US 201729613548 F US201729613548 F US 201729613548F US D813189 S USD813189 S US D813189S
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United States
Prior art keywords
vacuum tube
audio amplifier
based audio
tube based
view
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US29/613,548
Inventor
Eric J. Lundgard
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Individual
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Individual
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Priority to US29/613,548 priority Critical patent/USD813189S1/en
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Publication of USD813189S1 publication Critical patent/USD813189S1/en
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Description

FIG. 1 is an isometric view of the vacuum tube based audio amplifier of the present invention;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a side view of the invention, as seen from the right side of FIG. 2;
FIG. 5 is a side view of the invention, as seen from the left side of FIG. 2; and,
FIG. 6 is a top plan view thereof.
The stippling in the Figures on the front face and the transformer devices represents a pastel color and while shown intermittently is understood to be extended uniformly across the entire surface upon which it is applied.
The wood-pattern lines shown in the Figures indicate that the surface portions of the amplifier comprise a wood appearance. The specific wood grain pattern depicted in the figures is for illustrative purposes only.
The broken-line disclosure in the views is understood to form part of the claimed design.

Claims (1)

    CLAIM
  1. The ornamental design for a vacuum tube based audio amplifier, as shown and described.
US29/613,548 2017-08-10 2017-08-10 Vacuum tube based audio amplifier Active USD813189S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/613,548 USD813189S1 (en) 2017-08-10 2017-08-10 Vacuum tube based audio amplifier

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Application Number Priority Date Filing Date Title
US29/613,548 USD813189S1 (en) 2017-08-10 2017-08-10 Vacuum tube based audio amplifier

Publications (1)

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USD813189S1 true USD813189S1 (en) 2018-03-20

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US29/613,548 Active USD813189S1 (en) 2017-08-10 2017-08-10 Vacuum tube based audio amplifier

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US (1) USD813189S1 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD245542S (en) * 1976-02-23 1977-08-23 Hydro-Spa, Inc. Bathing pool
USD839318S1 (en) * 2016-08-24 2019-01-29 Dometic Sweden Ab Control panel
USD871364S1 (en) 2019-07-12 2019-12-31 Eric J. Lundgard Audio amplifier
USD881156S1 (en) * 2015-08-26 2020-04-14 Sennheiser Electronic Gmbh & Co. Kg Sound amplifier
US10697694B2 (en) 2016-08-23 2020-06-30 Dometic Sweden Ab Cabinet for a recreational vehicle
USD893460S1 (en) * 2018-04-11 2020-08-18 Echowell Electronic Co., Ltd. Vacuum tube speaker
USD907605S1 (en) * 2018-11-29 2021-01-12 Lg Electronics Inc. Case for vacuum tubes
USD924202S1 (en) * 2018-11-29 2021-07-06 Lg Electronics Inc. Audio player
USD924843S1 (en) * 2018-11-29 2021-07-13 Lg Electronics Inc. Audio player
US11187456B2 (en) 2016-08-26 2021-11-30 Dometic Sweden Ab Refrigerating device for a recreational vehicle
USD942534S1 (en) * 2019-10-19 2022-02-01 Mahdi Al-Husseini Calculator with electronic tube display and keypad

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1905276A (en) * 1930-02-11 1933-04-25 Westinghouse Electric & Mfg Co Photocell amplifier unit
US2497747A (en) * 1948-03-24 1950-02-14 Sarkes Tarzian Combined chassis and multichannel tuner
USD371787S (en) * 1994-07-20 1996-07-16 Tong-Hoon Sohn Analogue power amplifier
USD489705S1 (en) * 2001-12-15 2004-05-11 Electro Brand, Inc. Vacuum tubes of a radio
USD508478S1 (en) * 2004-01-14 2005-08-16 Yamaha Corporation Amplifier for electric guitar
USD525613S1 (en) * 2004-05-26 2006-07-25 Suzuki Mechatronics Yugengaisha Audio amplifier
USD598004S1 (en) 2008-05-23 2009-08-11 Je Electronic Company Limited Vacuum tube amplifier
USD669992S1 (en) 2010-05-20 2012-10-30 Sound Surgical Technologies, Llc Ultrasonic amplifier
USD678863S1 (en) 2011-12-08 2013-03-26 Panasonic Corporation Speaker with an amplifier
USD702211S1 (en) * 2012-04-24 2014-04-08 Samsung Electronics Co., Ltd. Docking audio
USD702663S1 (en) * 2012-06-29 2014-04-15 Samsung Electronics Co., Ltd. Docking audio
USD713379S1 (en) * 2012-10-23 2014-09-16 Samsung Electronics Co., Ltd. Audio player
USD729762S1 (en) 2013-07-31 2015-05-19 Shenzhen Rapoo Technology Co., Ltd. Audio amplifier

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1905276A (en) * 1930-02-11 1933-04-25 Westinghouse Electric & Mfg Co Photocell amplifier unit
US2497747A (en) * 1948-03-24 1950-02-14 Sarkes Tarzian Combined chassis and multichannel tuner
USD371787S (en) * 1994-07-20 1996-07-16 Tong-Hoon Sohn Analogue power amplifier
USD489705S1 (en) * 2001-12-15 2004-05-11 Electro Brand, Inc. Vacuum tubes of a radio
USD508478S1 (en) * 2004-01-14 2005-08-16 Yamaha Corporation Amplifier for electric guitar
USD525613S1 (en) * 2004-05-26 2006-07-25 Suzuki Mechatronics Yugengaisha Audio amplifier
USD598004S1 (en) 2008-05-23 2009-08-11 Je Electronic Company Limited Vacuum tube amplifier
USD669992S1 (en) 2010-05-20 2012-10-30 Sound Surgical Technologies, Llc Ultrasonic amplifier
USD678863S1 (en) 2011-12-08 2013-03-26 Panasonic Corporation Speaker with an amplifier
USD702211S1 (en) * 2012-04-24 2014-04-08 Samsung Electronics Co., Ltd. Docking audio
USD702663S1 (en) * 2012-06-29 2014-04-15 Samsung Electronics Co., Ltd. Docking audio
USD713379S1 (en) * 2012-10-23 2014-09-16 Samsung Electronics Co., Ltd. Audio player
USD729762S1 (en) 2013-07-31 2015-05-19 Shenzhen Rapoo Technology Co., Ltd. Audio amplifier

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD245542S (en) * 1976-02-23 1977-08-23 Hydro-Spa, Inc. Bathing pool
USD881156S1 (en) * 2015-08-26 2020-04-14 Sennheiser Electronic Gmbh & Co. Kg Sound amplifier
US10697694B2 (en) 2016-08-23 2020-06-30 Dometic Sweden Ab Cabinet for a recreational vehicle
USD839318S1 (en) * 2016-08-24 2019-01-29 Dometic Sweden Ab Control panel
US11187456B2 (en) 2016-08-26 2021-11-30 Dometic Sweden Ab Refrigerating device for a recreational vehicle
US11578913B2 (en) 2016-08-26 2023-02-14 Dometic Sweden Ab Refrigerating device for a recreational vehicle
USD893460S1 (en) * 2018-04-11 2020-08-18 Echowell Electronic Co., Ltd. Vacuum tube speaker
USD907605S1 (en) * 2018-11-29 2021-01-12 Lg Electronics Inc. Case for vacuum tubes
USD924202S1 (en) * 2018-11-29 2021-07-06 Lg Electronics Inc. Audio player
USD924843S1 (en) * 2018-11-29 2021-07-13 Lg Electronics Inc. Audio player
USD871364S1 (en) 2019-07-12 2019-12-31 Eric J. Lundgard Audio amplifier
USD942534S1 (en) * 2019-10-19 2022-02-01 Mahdi Al-Husseini Calculator with electronic tube display and keypad

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