Conferencing telephone unit
Leeson , et al. July 7, 1
U.S. patent number D259,786 [Application Number 05/948,205] was granted by the patent office on 1981-07-07 for conferencing telephone unit. This patent grant is currently assigned to Northern Telecom Limited. Invention is credited to Fred D. Leeson, Henry A. Main, Clifford D. Read.
| United States Patent | D259,786 |
| Leeson , et al. | July 7, 1981 |
| **Please see images for: ( Certificate of Correction ) ** |
Conferencing telephone unit
Claims
The ornamental design for a conferencing telephone unit, substantially as shown.
| Inventors: | Leeson; Fred D. (London, CA), Main; Henry A. (London, CA), Read; Clifford D. (Almonte, CA) |
|---|---|
| Assignee: | Northern Telecom Limited
(Montreal, CA) |
| Appl. No.: | 05/948,205 |
| Filed: | October 3, 1978 |
| Current U.S. Class: | D14/242; D6/695.2 |
| Current International Class: | D1403; D0603 |
| Field of Search: | ;179/1HF,1D,102,1CN,1E,81B ;D6/148 ;D14/33,34,72,12,57 |
References Cited [Referenced By]
U.S. Patent Documents
| D192637 | April 1962 | Judson |
| D212004 | August 1968 | Emond |
| D227478 | June 1973 | Ekdahl |
| D244468 | May 1977 | Buchin |
| 3931867 | January 1976 | Janszen |
| 4078155 | March 1978 | Botros et al. |
| 4184048 | January 1980 | Alcaide |
Attorney, Agent or Firm: Jelly; Sidney T.
Description
FIG. 1 is a perspective view of the conferencing telephone unit;
FIG. 2 is a top plan view of the unit illustrated in FIG. 1;
FIG. 3 is a bottom plan view of the unit illustrated in FIG. 1; and
FIG. 4 is a side view of the unit illustrated in FIG. 1.
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