USD198916S - Telephone switchboard - Google Patents
Telephone switchboard Download PDFInfo
- Publication number
- USD198916S USD198916S US D198916 S USD198916 S US D198916S
- Authority
- US
- United States
- Prior art keywords
- telephone switchboard
- page
- design
- intercom
- telephone
- Prior art date
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- 239000007787 solid Substances 0.000 description 2
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Description
United States Patent 0 'Ecc Patented 2f; 3112 TELEPHONE SWITCHBOARD Edward A. Praisner, Montclajr, N.J., assignor to Bell Telephone Laboratories, Incorporated, New York, N.Y., a corporation of New York Filed Feb. 3, 1964, Ser. No. 78,502
Term of patent 14 years (Cl. D26-14) Des. 198,916
PAGE 2 FIG. 1 is a perspective front and top view of a telephone switchboard, showing my new design;
FIG. 2 is a three-quarters side perspective view thereof; and
FIG. 3 is a side elevation thereof.
The broken line showing of legible matter in the drawing is for illustrative purposes only. Portions of the drawing figures are diagonally lined to indicate transparency.
The dominant features of my new design are shown in solid lines in the drawing. The back, not shown, is unornamented.
I claim:
The ornamental design for a telephone switchboard, substantially as shown and described.
References Cited in the file of this patent UNITED STATES PATENTS Treptow Jan. 20, 1953 Wight Sept. 4, 1962 OTHER REFERENCES Industrial Design, February 1955, page 61, intercom from Hasler, Bern, Switzerland, at top to left column.
Design, September 1958, page 50, intercom by Siemens and Halske AG in illustration No. 2.
Design, June 1960, page 61, Celefon intercom in illustration No. 1.
Electronic Technician, October 1960, page 79, model TP-KS Telecall intercom by Capkit International.
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