Smoke detector
Fish March 6, 1
U.S. patent number D306,409 [Application Number 06/939,454] was granted by the patent office on 1990-03-06 for smoke detector. This patent grant is currently assigned to Universal Security Instruments, Inc.. Invention is credited to Darrell Fish.
| United States Patent | D306,409 |
| Fish | March 6, 1990 |
Smoke detector
Claims
The ornamental design for a smoke detector, as shown and described.
| Inventors: | Fish; Darrell (Timonium, MD) |
|---|---|
| Assignee: | Universal Security Instruments,
Inc. (Owing Mills, MD) |
| Appl. No.: | 06/939,454 |
| Filed: | December 8, 1986 |
| Current U.S. Class: | D10/106.5 |
| Field of Search: | ;D10/104,106,116,121 ;340/521,540-546,555,556,557,565-578,584,600,628,629,630 |
References Cited [Referenced By]
U.S. Patent Documents
| D240120 | June 1976 | Pasquarette |
| D262868 | February 1982 | Westphal |
| D262952 | February 1982 | Hanig |
| D269161 | May 1983 | Fenne |
| D269331 | June 1983 | Fenne |
| D269332 | June 1983 | Fenne |
| D271287 | November 1983 | Fenne |
| D271670 | December 1983 | Takai et al. |
| D275187 | August 1984 | Skarman |
| D284748 | July 1986 | Fenne |
| 3500368 | March 1970 | Abe |
| 3903419 | September 1975 | Lehsten |
Other References
|
Graviner Fire Protection Systems Catalog, 1978, p. 2, fixed temperature detector.. |
Primary Examiner: Lucas; Susan J.
Attorney, Agent or Firm: Rose; Howard L.
Description
FIG. 1 is a top plan view of a smoke detector showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a top perspective view thereof.
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