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Telephone amplifier

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Publication number
USD286635S
USD286635S US06631400 US63140084F USD286635S US D286635 S USD286635 S US D286635S US 06631400 US06631400 US 06631400 US 63140084 F US63140084 F US 63140084F US D286635 S USD286635 S US D286635S
Authority
US
Grant status
Grant
Patent type
Design
Prior art keywords
fig
view
amplifier
telephone
elevational
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.)
Expired - Lifetime
Application number
US06631400
Inventor
John S. Yuen
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.)
JOHN MANUFACTURING Ltd Co OF HONG KONG
John Manufacturing Ltd
Original Assignee
John Manufacturing Ltd
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
Grant date

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Description

FIG. 1 is a top plan view of a telephone amplifier showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof.

Claims (1)

  1. The ornamental design for a telephone amplifier, substantially as shown and described.
US06631400 1984-02-15 1984-07-16 Telephone amplifier Expired - Lifetime USD286635S (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1017897 1984-02-15

Publications (1)

Publication Number Publication Date
USD286635S true USD286635S (en) 1986-11-11

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Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Post Office Electrical Eng. Journal (Gr. Britain, Vol. 74, Oct. 1981: Article re Customer Apparatus: Fig. 3, at p. 239-"Doric" Loud Speaker.

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