Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD286635 S
Publication typeGrant
Application numberUS 06/631,400
Publication dateNov 11, 1986
Filing dateJul 16, 1984
Priority dateFeb 15, 1984
Publication number06631400, 631400, US D286635 S, US D286635S, US-S-D286635, USD286635 S, USD286635S
InventorsJohn S. Yuen
Original AssigneeJohn Manufacturing Limited
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Telephone amplifier
US D286635 S
Previous page
Next page
  1. The ornamental design for a telephone amplifier, substantially as shown and described.

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.

Non-Patent Citations
1Post Office Electrical Eng. Journal (Gr. Britain, Vol. 74, Oct. 1981: Article re Customer Apparatus: Fig. 3, at p. 239-"Doric" Loud Speaker.
U.S. ClassificationD14/243