USD179791S - Gate valve - Google Patents
Gate valve Download PDFInfo
- Publication number
- USD179791S USD179791S US D179791 S USD179791 S US D179791S
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- US
- United States
- Prior art keywords
- gate valve
- view
- gate
- valve
- rovang
- Prior art date
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- D 179,791 O Patented Fi h. 26, 1957 GATE VALVE John L. Williams, Portland, Oreg.
Application December 8, 1955, Serial No. 39,240
Term of patent 14 years (Cl. D7 81) FIGJ 1 is an end view of the gate valve; References Cited in the file of this patent Fig. 2 IS a side view of the gate valve; Fig. 3 is a top view of the gate valve; and
UNITED STATES PATENTS Fig. 4 is an enlarged sectional view through o f 494,579 Lunken P 4, 1893 the yoke arms of the gate valve taken substantially along 2,550,984 Ferguson M y 1951 line 44 of Fig. 1. 2,683,581 Rovang July 13, 1954 I claim: The ornamental design for a gate valve, as shown.
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