Ambulatory aid warning device
Patent 5477211 Issued on December 19, 1995. Estimated Expiration Date: 
October 19, 2014. 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.
October 19, 2014. 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 References 2182216 2522721 3885576 Mercury switch for monitoring position of patient Safety monitor Fixture for actuating alarm upon change to upright position of recumbent patient Patient ambulation motion detector Device giving warning when undesired lifting position is assumed Child position monitoring and locating device Safety cane Patent #: 5331990 AbstractAn ambulation aid warning device for warning the uses when an ambulation aid is about to be used improperly. The device includes one or more gravity sensitive switches to activate an auditory, visual and/or sensory alarm when the ambulation aid is tilted beyond a specified angle. | |
