Disk for matrix display
Morrison November 1, 1
U.S. patent number D271,219 [Application Number 06/215,364] was granted by the patent office on 1983-11-01 for disk for matrix display. This patent grant is currently assigned to American Sign & Indicator Corporation. Invention is credited to Donald Morrison.
| United States Patent | D271,219 |
| Morrison | November 1, 1983 |
Disk for matrix display
Claims
The ornamental design for a disk for a matrix display, as shown and described.
| Inventors: | Morrison; Donald (Spokane, WA) |
|---|---|
| Assignee: | American Sign & Indicator
Corporation (Spokane, WA) |
| Appl. No.: | 06/215,364 |
| Filed: | December 11, 1980 |
| Current U.S. Class: | D20/42 |
| Current International Class: | D2003 |
| Field of Search: | ;D20/10,12,19,27,28,40,42,21 ;40/447,449,439,440,477,479 ;340/373 |
References Cited [Referenced By]
U.S. Patent Documents
| 3975728 | August 1976 | Winrow |
| 3991496 | November 1976 | Helwig et al. |
| 52-24500 | Feb 1977 | JP | |||
Attorney, Agent or Firm: Wells, St. John & Roberts
Description
FIG. 1 is a front elevational view of a disk for a matrix display, showing my new design, the rear elevational view being a mirror image thereof;
FIG. 2 is a side elevational view thereof.
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