Signaling device
Patent 5444437 Issued on August 22, 1995. Estimated Expiration Date: 
November 12, 2013. 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.
November 12, 2013. 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 1162853 3190014 3455033 3690018 Sensor having spring biasing structure to retain conductive bridging inertial mass in a non-operative position Earthquake safety light Traffic police baton with means to indicate the direction in the night Earthquake warning device Electromechanical earthquake alarm Patent #: 5278540 InventorApplicationNo. 152451 filed on 11/12/1993US Classes:340/815.4, VISUAL INDICATION200/61.45R, Change of inclination or of rate of motion responsive (e.g., inertia and tilt switches)200/61.52, Tilt responsive235/52, Assembly235/54F, Voting machines, electric340/286.11, Annunciator340/540, Specific condition340/691.8Control circuit detailExaminersPrimary: Weldon, UlyssesAssistant: Mengistu, Amare Attorney, Agent or FirmInternational ClassesH01H 035/02G01N 001/00 AbstractAn apparatus for generating a signal for indicating consent between two parties, comprises a generally box-like housing having a cavity, an indicator light on an exterior portion of the housing, a source of electrical power including a battery in the housing, a circuit including a switch for selectively connecting the source of electrical power to the indicator light, the switch being disposed in the cavity and responsive to multiple actuators for activating the switch, and multiple actuator members positionable into the cavity for closing for closing the circuit and activating the indicator light.Field of SearchPortable self-contained (e.g., movie usher's signalling flashlight)Annunciator Change of inclination or of rate of motion responsive (e.g., inertia and tilt switches) Conducting Ball, block, or disk VOTING MACHINE OR BALLOT MARKING QUESTION OR PROBLEM ELICITING RESPONSE And light detector Correctness of response indicated to examine by self-operating or examinee actuated means Ball games Voting machines, recording VOTING MACHINES Assembly Check operated Interlocks, voting machines Primary voting mechanism Voting machines, electric Vote counters | |
