Manually and automatically actuable valves or other devices

• US 2,932,978 A
• Filed: 09/23/1957
• Issued: 04/19/1960
• Est. Priority Date: 09/28/1956
• Status: Expired due to Term

• Current Assignee: Stanley Newbery
• Original Assignee: Stanley Newbery
• Inventors: Newbery, Stanley
• Application Number:
  US03/685,553
• Time in Patent Office: 939 Days
• US Class Current: 74/490.11
• CPC Class Codes: F16K 31/10 with additional mechanism between armature and closure member
• CPC Class Codes: F16K 31/145 the fluid acting on a diaphragm
• CPC Class Codes: Y10T 74/20 Control lever and linkage systems
• CPC Class Codes: Y10T 74/20366 Power and manual controlling elements

Claims