Pager with visible display indicating status of memory
Patent 4412217 Issued on October 25, 1983. Estimated Expiration Date: 
September 29, 2001. 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, 2001. 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 ReferencesPrecessing display pager Battery saver for a tone coded signalling system Miniature pager receiver with digital display and memory Digital radio pager Video display pager receiver with memory Portable answering device Patent #: 4356519 InventorsAssigneeApplicationNo. 06/306800 filed on 09/29/1981US Classes:340/7.52, Storing or retrieving message (e.g., received message database handling)340/7.34, Frame based timing340/7.38, Time based340/7.55, Display340/7.57, Audible340/7.59, Priority alert340/7.62, Audible375/216APPARATUS CONVERTIBLE TO ANALOGExaminersPrimary: Yusko, Donald J.Attorney, Agent or FirmInternational ClassesH04Q 7/14 (20060101)G08B 5/22 (20060101) AbstractA radio pager decoder including a register which is incremented when a page is received and a visual indicator which displays a count of the number of received pages. Pages may also be selectively retrieved from memory.Other References
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