Title:
Three-way call detector unit
United States Patent D346806


Inventors:
Chong, Edward U. (Davie, FL)
Application Number:
29/005325
Publication Date:
05/10/1994
Filing Date:
02/24/1993
Assignee:
Communication Equipment & Engineering Company (Plantation, FL)
Primary Class:
Other Classes:
D13/184
Field of Search:
379/440, 379/441, 174/52.1, 174/50, 174/67, 361/641, 361/658, 361/673, 361/679, 361/724, 361/728, 361/730, 361/825, D14/100, D14/107, D14/109, D14/140, D14/240, D14/256, D13/162, D13/164, D13/184, D13/199
View Patent Images:
US Patent References:
D339788Automobile charger for a radio telephoneSeptember, 1993Leman et al.D13/108
D338193Data loop transceiver for coupling data between computer peripheralsAugust, 1993SasakiD14/107
D314746Dual connecting blockFebruary, 1991Benjamin et al.D14/256
D312627Modem interface unitDecember, 1990GutzmerD14/107
D308664Modular telephone jackJune, 1990Freeman et al.D14/256
D295178Data transmitter/receiver modemApril, 1988Pedinielli et al.D14/107
D285554Control unit or similar article for interconnecting radio and telephone setsSeptember, 1986Beaumont et al.D14/140
4313025Unitary die-cast assembly for electronic circuitsJanuary, 1982Grube, Jr.174/50
3896384Dual mount electronic deviceJuly, 1975Henderson174/52.1



Primary Examiner:
ASCH, JEFFREY DAVID
Attorney, Agent or Firm:
MASON, KOLEHMAINEN, RATHBURN & WYSS (300 SOUTH WACKER DRIVE SUITE 2400, CHICAGO, IL, 60606, US)
Claims:
1. The ornamental design for a three-way call detector unit, as shown anddescribed.

Description:

FIG. 1 is a perspective view of a three-way call detector unit showing my new design;

FIG. 2 is a front elevational view of the three-way call detector unit;

FIG. 3 is a rear elevational view of the three-way call detector unit;

FIG. 4 is a right-hand side elevational view of the three-way call detector unit;

FIG. 5 is a left-hand side elevational view of three-way call detector unit;

FIG. 6 is a top plan view of the three-way call detector unit; and,

FIG. 7 is a bottom view of the three-way call detector unit.

The electrical cord has been shown broken away in FIGS. 3-7 for convenience of illustration.