Portable signalling device for monitoring telephone rings
Castleberry , et al. January 8, 1
U.S. patent number D313,568 [Application Number 07/306,650] was granted by the patent office on 1991-01-08 for portable signalling device for monitoring telephone rings. Invention is credited to Ginger L. Castleberry, Kal R. Castleberry.
| United States Patent | D313,568 |
| Castleberry , et al. | January 8, 1991 |
Portable signalling device for monitoring telephone rings
Claims
The ornamental design for a portable signalling device for monitoring telephone rings, as shown and described.
| Inventors: | Castleberry; Kal R. (Paducah, KY), Castleberry; Ginger L. (Paducah, KY) |
|---|---|
| Appl. No.: | 07/306,650 |
| Filed: | February 6, 1989 |
| Current U.S. Class: | D10/106.1 |
| Field of Search: | ;D10/106,104,109,121 ;325/16,361,118,119,117,356 ;340/577,579,590,627,630,693 |
References Cited [Referenced By]
U.S. Patent Documents
| D174792 | May 1955 | Frank |
| D285542 | September 1986 | Tanaka et al. |
| D309119 | July 1990 | Kremityki |
| 2553244 | May 1951 | Ellmann |
| 3182307 | May 1965 | Doggart |
Assistant Examiner: Jackson; Marcus
Attorney, Agent or Firm: Kearns; Jerry T.
Description
FIG. 1 is a front elevational view of a portable signalling device for monitoring telephone rings showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
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