Telephone amplifier
Yuen November 11, 1
U.S. patent number D286,635 [Application Number 06/631,400] was granted by the patent office on 1986-11-11 for telephone amplifier. This patent grant is currently assigned to John Manufacturing Limited. Invention is credited to John S. Yuen.
| United States Patent | D286,635 |
| Yuen | November 11, 1986 |
Telephone amplifier
Claims
The ornamental design for a telephone amplifier, substantially as shown and described.
| Inventors: | Yuen; John S. (Kowloon, HK) |
|---|---|
| Assignee: | John Manufacturing Limited
(Kowloon, HK) |
| Appl. No.: | 06/631,400 |
| Filed: | July 16, 1984 |
Foreign Application Priority Data
| Feb 15, 1984 [GB] | 1017897 | |||
| Current U.S. Class: | D14/243 |
| Field of Search: | ;D14/57,92,60,64,56,53,75 ;D19/75,76 ;40/336-339,107 ;179/179,178,81B,2EA,146R,147,1R,1L,1D,1C |
References Cited [Referenced By]
U.S. Patent Documents
| D243536 | March 1977 | van de Poel |
| D244209 | May 1977 | Bliven |
| D247174 | February 1978 | Vanda |
| D261761 | November 1981 | Ingber et al. |
| D261764 | November 1981 | Klucznik |
| D275752 | October 1984 | Mahan |
| D275753 | October 1984 | Mahan |
| D280463 | September 1985 | Mitchell |
| D282166 | January 1986 | Yuen |
| D282179 | January 1986 | Yuen |
| 3469336 | September 1969 | Halperin |
Other References
|
Post Office Electrical Eng. Journal (Gr. Britain, Vol. 74, Oct. 1981: Article re Customer Apparatus: Fig. 3, at p. 239-"Doric" Loud Speaker.. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Fay; Horace B.
Attorney, Agent or Firm: Beall Law Offices
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.
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