Thermochromic thermometer
Description
FIG. 1 is a front perspective view of a thermochromic thermometer showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, the right side being a mirror image thereto;
FIG. 5 is a front perspective view of another embodiment of our new design of FIGS. 1-4;
FIG. 6 is a front elevational view of FIG. 5;
FIG. 7 is a rear elevational view of FIG. 5;
FIG. 8 is a left side elevational of FIG. 5;
FIG. 9 is a right side elevational of FIG. 5.
Referenced Cited
U.S. Patent Documents
Other references
| 2579738 | December 1951 | Hargraves |
| 2706761 | April 1955 | Douglas |
- Popular Science-1/76-p. 73-LC pocket pyrometer at center-2nd from left.
Patent History
Patent number: D250811
Type: Grant
Filed: Mar 28, 1977
Date of Patent: Jan 16, 1979
Inventors: David L. Fuller (Atlanta, GA), Bryan T. Moss (Dunwoody, GA)
Primary Examiner: Nelson C. Holtje
Attorney: B. J. Powell
Application Number: 5/781,662
Type: Grant
Filed: Mar 28, 1977
Date of Patent: Jan 16, 1979
Inventors: David L. Fuller (Atlanta, GA), Bryan T. Moss (Dunwoody, GA)
Primary Examiner: Nelson C. Holtje
Attorney: B. J. Powell
Application Number: 5/781,662
Classifications