USD746788S1 - Passive amplifier - Google Patents

Passive amplifier Download PDF

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Publication number
USD746788S1
USD746788S1 US29/496,743 US201429496743F USD746788S US D746788 S1 USD746788 S1 US D746788S1 US 201429496743 F US201429496743 F US 201429496743F US D746788 S USD746788 S US D746788S
Authority
US
United States
Prior art keywords
passive amplifier
passive
amplifier
view
ornamental design
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
US29/496,743
Inventor
Mathew A. McPherson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAMC LLC
Original Assignee
MAMC LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MAMC LLC filed Critical MAMC LLC
Priority to US29/496,743 priority Critical patent/USD746788S1/en
Assigned to MCP IP, LLC reassignment MCP IP, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MCPHERSON, MATHEW A.
Assigned to MAMC, LLC reassignment MAMC, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MCP IP, LLC
Application granted granted Critical
Publication of USD746788S1 publication Critical patent/USD746788S1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Description

FIG. 1 is a perspective view of a passive amplifier, showing the claimed design;
FIG. 2 is a rear view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.

Claims (1)

    CLAIM
  1. The ornamental design for a passive amplifier, as shown and described.
US29/496,743 2014-07-16 2014-07-16 Passive amplifier Active USD746788S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/496,743 USD746788S1 (en) 2014-07-16 2014-07-16 Passive amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/496,743 USD746788S1 (en) 2014-07-16 2014-07-16 Passive amplifier

Publications (1)

Publication Number Publication Date
USD746788S1 true USD746788S1 (en) 2016-01-05

Family

ID=54939593

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/496,743 Active USD746788S1 (en) 2014-07-16 2014-07-16 Passive amplifier

Country Status (1)

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US (1) USD746788S1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD855594S1 (en) * 2016-01-27 2019-08-06 Starry, Inc. Networking device
USD903626S1 (en) * 2018-01-24 2020-12-01 Joseph Jarmon Speaker

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1504170A (en) 1923-03-28 1924-08-05 Anthony C Weins Collapsible megaphone
US1550697A (en) 1924-06-07 1925-08-25 Paul E Haug Loud speaker
US1920631A (en) 1931-07-31 1933-08-01 Coumbopoulos Stavros Sound amplifying horn
US2012538A (en) 1934-09-15 1935-08-27 Henry H Krohn Megaphone
US2517665A (en) 1947-09-13 1950-08-08 Irving Schwartz Megaphone formed of bendable material
US3866712A (en) 1974-04-19 1975-02-18 James A Carruthers Collapsible speaker extension
US4068091A (en) * 1975-07-30 1978-01-10 Sony Corporation Binaural sound pickup
US4142604A (en) * 1976-09-15 1979-03-06 Smith Todd G Speaker structure
US4703829A (en) 1986-03-03 1987-11-03 Hardt Herbert T Collapsible and portable megaphone
USD306168S (en) 1987-07-13 1990-02-20 Caputo Kip W Corner-mounted loudspeaker
USD306764S (en) 1987-01-29 1990-03-20 Rpg Diffusor Systems, Inc. Acoustical baffle
US5097514A (en) * 1988-05-25 1992-03-17 Mcneill Dennis G Equilateral tetrahedral speaker system
US5436976A (en) * 1992-12-28 1995-07-25 Dougherty; Donald J. Omni-directional stereo speaker
USD397118S (en) * 1997-04-15 1998-08-18 Keating Stephen D Combined external directional sound dome reflector and deflector for motor vehicle speaker enclosure
USD431549S (en) 1999-01-19 2000-10-03 Robert Otis Humorous megaphone
USD478064S1 (en) 2002-01-03 2003-08-05 Southern Audio Services, Inc. Audio speaker cabinet
USD519487S1 (en) * 2003-12-10 2006-04-25 British Sky Broadcasting Limited Radio receiver
US20060266579A1 (en) 2005-05-25 2006-11-30 Deane Stern Inflatable megaphone
US20090114474A1 (en) 2007-11-06 2009-05-07 Scott David Morgan Megaphone sign for use at events
US8157049B1 (en) * 2009-05-22 2012-04-17 Meyer Derek W Trirectangular tetrahedral subwoofer

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1504170A (en) 1923-03-28 1924-08-05 Anthony C Weins Collapsible megaphone
US1550697A (en) 1924-06-07 1925-08-25 Paul E Haug Loud speaker
US1920631A (en) 1931-07-31 1933-08-01 Coumbopoulos Stavros Sound amplifying horn
US2012538A (en) 1934-09-15 1935-08-27 Henry H Krohn Megaphone
US2517665A (en) 1947-09-13 1950-08-08 Irving Schwartz Megaphone formed of bendable material
US3866712A (en) 1974-04-19 1975-02-18 James A Carruthers Collapsible speaker extension
US4068091A (en) * 1975-07-30 1978-01-10 Sony Corporation Binaural sound pickup
US4142604A (en) * 1976-09-15 1979-03-06 Smith Todd G Speaker structure
US4703829A (en) 1986-03-03 1987-11-03 Hardt Herbert T Collapsible and portable megaphone
USD306764S (en) 1987-01-29 1990-03-20 Rpg Diffusor Systems, Inc. Acoustical baffle
USD306168S (en) 1987-07-13 1990-02-20 Caputo Kip W Corner-mounted loudspeaker
US5097514A (en) * 1988-05-25 1992-03-17 Mcneill Dennis G Equilateral tetrahedral speaker system
US5436976A (en) * 1992-12-28 1995-07-25 Dougherty; Donald J. Omni-directional stereo speaker
USD397118S (en) * 1997-04-15 1998-08-18 Keating Stephen D Combined external directional sound dome reflector and deflector for motor vehicle speaker enclosure
USD431549S (en) 1999-01-19 2000-10-03 Robert Otis Humorous megaphone
USD478064S1 (en) 2002-01-03 2003-08-05 Southern Audio Services, Inc. Audio speaker cabinet
USD519487S1 (en) * 2003-12-10 2006-04-25 British Sky Broadcasting Limited Radio receiver
US20060266579A1 (en) 2005-05-25 2006-11-30 Deane Stern Inflatable megaphone
US20090114474A1 (en) 2007-11-06 2009-05-07 Scott David Morgan Megaphone sign for use at events
US8157049B1 (en) * 2009-05-22 2012-04-17 Meyer Derek W Trirectangular tetrahedral subwoofer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD855594S1 (en) * 2016-01-27 2019-08-06 Starry, Inc. Networking device
USD903626S1 (en) * 2018-01-24 2020-12-01 Joseph Jarmon Speaker

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