PHOTOSWITCH Logo (USPTO, 12/31/1969)
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The US trademark PHOTOSWITCH was filed as Word and figurative mark on 12/31/1969 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/15/1971.
The current status of the mark is "EXPIRED".
| Trademark form | Word and figurative mark |
| File reference | 72347496 |
| Register number | 914983 |
| Application date | December 31, 1969 |
| Entry date | June 15, 1971 |
Trademark owner
1201 SOUTH SECOND STREET
53204 MILWAUKEE
US
53204 MILWAUKEE
US
Trademark representatives
goods and services
9
ELECTRICAL SIGNAL AMPLIFYING AND/OR RELAYING APPARATUS OPERATED BY PHENOMENA DETECTED PHOTOELECTRICALLY OR BY MEANS OF OTHER VARIABLE IMPEDANCE DEVICES SUCH AS ELECTRICAL PROBE ELEMENTS IN CONTACT WITH OR DISPOSED TO COME INTO CONTACT WITH AN AGENCY TO BE CONTROLLED, ELECTRICAL PROBE ELEMENTS AND SIMILAR APPARATUS FOR USE WITH SUCH RELAYING AND/OR SIGNAL AMPLIFYING APPARATUS, AND ELECTRICALLY OPERATED ILLUMINATION SOURCES FOR USE WITH SAID SIGNAL AMPLIFYING AND/OR RELAYING APPARATUS WHEN PHOTOELECTRICALLY OPERATED, THE FOREGOING APPARATUS BEING USED FOR CONTROLLING THE CONDITION OF A CONTROLLED CIRCUIT IN ACCORDANCE WITH THE CONDITION OF A DETECTED PHENOMENON AFFECTING THE DETECTING MEANS; ELECTRICAL TIME METERING DEVICES FOR PROVIDING AN ELECTRICAL SIGNAL OR SIGNALS OF A PREDETERMINED TIME DURATION OR DURATIONS SINGLY OR IN A PREDETERMINED SEQUENCE IN RESPONSE TO A CHANGE IN THE CONDITION OF THE INPUT CIRCUIT THEREOF, SAID TIME METERING DEVICES BEING INTENDED FOR USE ALONE OR IN COOPERATION WITH SAID FOREGOING RELAYING AND/OR AMPLIFYING APPARATUS; AND ELECTRICAL EQUIPMENT HOUSINGS AND PARTS AND ACCESSORIES FOR THE FOREGOING APPARATUS AND DEVICES
ID: 1372347496