|
The ornamental design for a thermal detector, as shown and described. |
FIG. 1 is a perspective view of a thermal detector showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a side elevational view taken from the right of FIG. 1;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a perspective view of a second embodiment;
FIG. 7 is a top plan view thereof;
FIG. 8 is a front elevational view thereof;
FIG. 9 is a side elevational view taken from the right of FIG. 6;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a bottom plan view thereof;
FIG. 12 is a perspective view of a third embodiment;
FIG. 13 is a top plan view thereof;
FIG. 14 is a front elevational view thereof;
FIG. 15 is a side elevational view taken from the right of FIG. 12;
FIG. 16 is a rear elevational view thereof.
Johnson, George E., Pearse, James N., Brenner, Stanley
Patent | Priority | Assignee | Title |
D308177, | Feb 04 1988 | Rampart Corporation | Temperature activated alarm for fire fighters |
D530231, | Nov 11 2004 | HOCHIKI CORPORATION | Thermal detector |
Patent | Priority | Assignee | Title |
2507898, | |||
3631322, | |||
3825868, | |||
3914646, | |||
4074486, | Oct 23 1975 | Multuloc Corporation | Panel wall construction |
97151, | |||
GB548489, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 25 1982 | Leviton Manufacturing Co. Inc. | (assignment on the face of the patent) | / | |||
Mar 31 1983 | BRENNER, STANLEY | LEVITON MANUFACTURING COMPANY, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004115 | /0545 | |
Mar 31 1983 | PEARSE, JAMES N | LEVITON MANUFACTURING COMPANY, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004115 | /0545 | |
Mar 31 1983 | JOHNSON, GEORGE E | LEVITON MANUFACTURING COMPANY, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004115 | /0545 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |