USD150328S - Combined battery vent plug and hydrometer - Google Patents
Combined battery vent plug and hydrometer Download PDFInfo
- Publication number
- USD150328S USD150328S US D150328 S USD150328 S US D150328S
- Authority
- US
- United States
- Prior art keywords
- hydrometer
- vent plug
- combined battery
- battery vent
- combined
- Prior art date
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- 238000006677 Appel reaction Methods 0.000 description 2
- 229920003245 polyoctenamer Polymers 0.000 description 2
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Description
July 27, 1948. c, APPEL Des. 150,328
COMBINED BATTERY VENT PLUG AND HYDROMETER Filed April 22, 1946 IN V EN TOR. 650562 6. APPZZ Patented July 27, 1948 Des. 150,328
UNITED STATES PATENT OFFICE DESIGN FOR A COMBINED BATTERY VENT PLUG AND HYDROMETER George C. Appel, Milwaukee, Wis., assignor to Globe-Union Inc., Milwaukee, Wis., a. corporation of Delaware Application April 22, 1946, Serial No. 128,825
Term of patent 14 years (Cl. D52-7) I claim: The ornamental design for a, combined battery vent plug and hydrometer, as shown.
GEORGE C. APPEL.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,637,219 Edelmann July 26, 1927 1,648,412 Linebarger Nov. 8, 1927
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