Alarm for signaling unauthorized door exit and entry
Taylor October 12, 1
U.S. patent number D340,199 [Application Number 07/396,003] was granted by the patent office on 1993-10-12 for alarm for signaling unauthorized door exit and entry. This patent grant is currently assigned to Safety Technology International, Inc.. Invention is credited to John D. Taylor.
| United States Patent | D340,199 |
| Taylor | October 12, 1993 |
Alarm for signaling unauthorized door exit and entry
Claims
The ornamental design for an alarm for signaling unauthorized door exit and entry, as shown.
| Inventors: | Taylor; John D. (Waterford, MI) |
|---|---|
| Assignee: | Safety Technology International,
Inc. (Waterford, MI) |
| Appl. No.: | 07/396,003 |
| Filed: | November 13, 1989 |
| Current U.S. Class: | D10/106.1 |
| Field of Search: | ;D10/114,104,106,109,121,111 ;D13/169,171,158 ;340/545,546,541,542,565,571,572,301,286.04 ;250/462 |
References Cited [Referenced By]
U.S. Patent Documents
| 3233054 | February 1966 | Shoffstall |
| 3340522 | September 1967 | Chick et al. |
| 3435643 | April 1969 | Pollak et al. |
| 3525830 | August 1970 | Hawkins |
| 3530262 | September 1970 | Hawkins |
| 3810091 | May 1974 | Hoover |
| 4038552 | July 1977 | Ciofalo |
| 4584856 | April 1986 | Petersdorff et al. |
| 5072212 | December 1991 | Sorenson |
Other References
|
Lectric Lites Co. p. 1 Nov. 19, 1979 upper left corner (stop sign).. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Jackson; Marcus
Attorney, Agent or Firm: Gifford, Groh, Sprinkle, Patmore and Anderson
Description
FIG. 1 is a front view of an alarm for signaling unauthorized door exit and entry of the present invention.
FIG. 2 is a left plan view of the present invention;
FIG. 3 is a top plan view of the present invention;
FIG. 4 is a right plan view of the present invention;
FIG. 5 is a bottom plan view of the present invention; and,
FIG. 6 is a rear plan view of the present invention.
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