Demand type gas regulator

• US 2,693,178 A
• Filed: 12/21/1949
• Issued: 11/02/1954
• Est. Priority Date: 12/21/1949
• Status: Expired due to Term

• Current Assignee: John Gilroy
• Original Assignee: John Gilroy
• Inventors: Gilroy, John
• Application Number:
  US03/134,185
• Time in Patent Office: 1,777 Days
• US Class Current: 128/200.14
• CPC Class Codes: A61M 16/00 Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes stimulating the respiratory movement by mechanical, pneumatic or electrical means, iron lungs combined with gas breathing means A61H31/00
• CPC Class Codes: A62B 9/022 Breathing demand regulators SCUBA diving regulators B63C11/22
• CPC Class Codes: A62B 9/027 pilot operated, i.e. controlled by valve means sensitive to a reduced downstream pressure
• CPC Class Codes: Y10S 137/908 Respirator control
• CPC Class Codes: Y10T 137/7795 Multi-stage

Claims