May 1931 Electrical and scientific apparatus Trademarks by day
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
Electrical and scientific apparatus Trademarks filed in May 1931
COINPASSOR
Filed: May 30, 1931
COMBINATION TURNSTILES AND REGISTERING FARE BOXES
Owned by: PEREY MANUFACTURING COMPANY, INC.
Serial Number: 71312720
HYGRADE
Filed: May 28, 1931
ELECTRON RADIO TUBES
Owned by: HYGRADE LAMP COMPANY
Serial Number: 71315144
METAGRAD
Filed: May 28, 1931
SURVEYORS' LEVELING RODS
Owned by: KEUFFEL AND ESSER COMPANY
Serial Number: 71315149
BREEZE
Filed: May 7, 1931
CASINGS FOR THE ELECTRICAL EQUIPMENT OF MOTORS AND SIMILAR POWER APPARATUS TO PREVENT ELECTRICAL EMANATIONS FROM LEAVING…
Owned by: BREEZE CORPORATIONS, INC.
Serial Number: 71314268
