Smoke alarm
FIG. 1 is a front elevational view of a smoke alarm showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a front elevational view of a second embodiment thereof;
FIG. 7 is a rear elevational view of the embodiment of FIG. 6;
FIG. 8 is a left side elevational view of the embodiment of FIG. 6, the right side elevational view being a mirror image;
FIG. 9 is a top plan view of the embodiment of FIG. 6;
FIG. 10 is a front elevational view of a third embodiment thereof;
FIG. 11 is a rear elevational view of the embodiment of FIG. 10;
FIG. 12 is a left side elevational view of the embodiment of FIG. 10, the right side elevational view being a mirror image;
FIG. 13 is a top plan view of the embodiment of FIG. 10;
FIG. 14 is a front elevational view of a fourth embodiment thereof;
FIG. 15 is a rear elevational view of the embodiment of FIG. 14;
FIG. 16 is a left side elevational view of the embodiment of FIG. 14, the right side elevational view being a mirror image;
FIG. 17 is a top plan view of the embodiment of FIG. 14;
FIG. 18 is front elevational view of a fifth embodiment thereof;
FIG. 19 is a rear elevational view of the embodiment of FIG. 18;
FIG. 20 is a left side elevational view of the embodiment of FIG. 18, the right side elevational view being a mirror image; and,
FIG. 21 is a top plan view of the embodiment of FIG. 18.
The bottom plan views of the embodiments of FIGS. 6, 10, 14, and 18 are identical to the bottom plan view of the first embodiment shown in FIG. 4.
D245322 | August 9, 1977 | White |
D246578 | December 6, 1977 | White |
D247163 | February 7, 1978 | White |
D329393 | September 15, 1992 | Hawkins |
D330172 | October 13, 1992 | Rihm |
2522020 | September 1950 | Deyo |
3943499 | March 9, 1976 | Dunphy |
4525703 | June 25, 1985 | Bellino |
4623878 | November 18, 1986 | Schoenwetter |
4796015 | January 3, 1989 | Admire, Jr. |
4904988 | February 27, 1990 | Nesbitt |
4954816 | September 4, 1990 | Mattison |
Type: Grant
Filed: Jan 27, 1992
Date of Patent: Nov 16, 1993
Inventor: Kenneth E. Richards, Jr. (S. Portland, ME)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Richard C. Litman
Application Number: 7/825,877