Hospital bed monitor
Patent 4228426 Issued on October 14, 1980. Estimated Expiration Date: 
September 29, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 29, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorApplicationNo. 05/946960 filed on 09/29/1978US Classes:340/573.4, House arrest system, wandering, or wrong place340/311.2, Nonselective paging (e.g., public address system)340/507, Fail-safe340/666, Weight340/687Connected or disconnectedExaminersPrimary: Swann, III, Glen R.Attorney, Agent or FirmInternational ClassesG08B 21/00 (20060101)G08B 21/22 (20060101) AbstractA monitoring system has a connecting unit that is adapted for connection between a nurse call button and a communication panel in a hospital room and is attached to a movable pressure activated switching means for placement in a bed or chair to operate an alarm in the nurse call system for remotely signaling the absence of a patient. | |
