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US Patent: 2,957,504
Seal arrangement for nozzle and fitting
Patentee: Lawrence A. Botkin (exact or similar names) - Dayton, OH USPTO Classifications: 137/322, 137/614.03, 141/349 Tool Categories: Assignees: Buckeye Iron & Brass Works - Dayton, OH Manufacturer: Buckeye Iron & Brass Works - Dayton, OH Witnesses: Unknown	Patent Dates: Applied: Mar. 04, 1959 Granted: Oct. 25, 1960 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Buckeye Iron & Brass Works
Description: Improvements to patents 2,753,884 and 2,737,401 to avoid suction between nozzle and adapter that would make it difficult to disconnect them.

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