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Patent
D250997
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Priority
Jan 10 1977
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Filed
Jan 10 1977
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Issued
Feb 06 1979
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Expiry
Feb 06 1993
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Assg.orig
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Entity
unknown
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2
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4
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n/a
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The ornamental design for a thermochromic thermometer, substantially as shown and described.
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FIG. 1 is a front perspective view of a thermochromic thermometer showing
my new design;
FIG. 2 is a rear elevational view thereof; and
FIG. 3 is a front elevational view of another form of my new design of
FIGS. 1 and 2, the rear being identical to FIG. 2.
Schuberth, Winfried
Patent |
Priority |
Assignee |
Title |
3864976, |
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3951133, |
Sep 12 1974 |
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Device to display skin temperature changes by changes in color |
239261, |
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241920, |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 10 1977 | | American Thermometer Co., Inc. | (assignment on the face of the patent) | | / |
Jul 05 1985 | BANK OF NEW YORK | 630289 ONTARIO LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST | 004459 | /0288 |
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Jul 07 1985 | American Thermostat Corporation | BANK OF NEW YORK, 280 BROADWAY, NEWBURGH | ASSIGNMENT OF ASSIGNORS INTEREST | 004447 | /0065 |
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Jul 09 1985 | 630289 ONTARIO LIMITED | ATCO CONTROLS, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE JULY 9, 1985 | 004446 | /0401 |
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Jan 25 1990 | QMAX TECHNOLOGY GROUP, INC , FORMERLY AMERICAN THERMOMETER COMPANY, INC A CORP OF DE | HALLCREST PRODUCTS, INC , A CORP OF NY | ASSIGNMENT OF ASSIGNORS INTEREST | 005847 | /0591 |
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