USD221157S - Street lighting electric light bulb - Google Patents
Street lighting electric light bulb Download PDFInfo
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- USD221157S USD221157S US D221157 S USD221157 S US D221157S
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- United States
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- light bulb
- street lighting
- electric light
- lighting electric
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e I l Unlted States Patent 0 ce ,3,
STREET LIGHTING ELECTRIC LIGHT BULB Filed Mar. 11, 1970, Ser. No. 21,858
Term of patent 14 years Int. Cl. D26-0] US. Cl. D26-8 ilhlilgiillilil FIG. 1 is a side elevational view of a street lighting References Cited electric light bulb embodying our new design. UNITED STATES PATENTS FIG. 2 is an end elevational view thereof. FIG 3 is a top plan view thereof D Blrdseye FIG. 4 is a bottom plan view thereof. 762,927 6/1904 Mygatt. FIG. 5 is an enlarged sectional view taken on line 5-5 1262395 4/1918 Schlckerhng 313 116X of FIG 1,535,486 4/1925 Lundy.
FIG. 6 is an enlarged sectional view taken on line 3384771 5/1968 Pomfrett "Wfififi; FOREIGN PATENTS The ornamental design for a street lighting electric 459,495 1/1937 fi Britain -110 light bulb, as shown.
OTHER REFERENCES Electrical Equipment, 4-1960, p. 43, Doro-Test light bulb.
WALLACE R. BURKE, Primary Examiner S. J. MERCER, Assistant Examiner
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