Intercom door answering unit
Koob May 12, 1
U.S. patent number D289,754 [Application Number 06/619,469] was granted by the patent office on 1987-05-12 for intercom door answering unit. This patent grant is currently assigned to Electron Corporation (Aust.) Pty. Ltd.. Invention is credited to Gunter H. Koob.
| United States Patent | D289,754 |
| Koob | May 12, 1987 |
Intercom door answering unit
Claims
The ornamental design for an intercom door answering unit, as shown.
| Inventors: | Koob; Gunter H. (East Malvern, AU) |
|---|---|
| Assignee: | Electron Corporation (Aust.) Pty.
Ltd. (AU) |
| Appl. No.: | 06/619,469 |
| Filed: | June 11, 1984 |
Foreign Application Priority Data
| Feb 23, 1984 [AU] | 6600/84 | |||
| Current U.S. Class: | D14/159; D14/219 |
| Field of Search: | ;D14/1,6,92,99 ;179/37,38,39,40 ;455/89 |
References Cited [Referenced By]
U.S. Patent Documents
| D279471 | July 1985 | Nakashima |
| D282360 | January 1986 | Yamagata et al. |
| D283130 | March 1986 | Boenning |
| 3453390 | July 1969 | Durkee et al. |
| 4518826 | May 1985 | Caudill et al. |
| 4584436 | April 1986 | Boenning et al. |
Other References
|
Radio Shack 1983 Catalog, p. 109, top left of page.. |
Primary Examiner: Ansher; Bernard
Assistant Examiner: Shooman; Theodore M.
Attorney, Agent or Firm: Griffin, Branigan & Butler
Description
FIG. 1 is a top perspective view of an intercom door answering unit showing my new design; and
FIG. 2 is a bottom perspective view thereof.
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