Multipole electric plug and socket
Patent 4923408 Issued on May 8, 1990. Estimated Expiration Date: 
November 8, 2008. 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 8, 2008. 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 ReferencesMulti-pole plug-and-socket connecting arrangement Polarized electrical connector Electrical assembly with modular carriers for signal processing modules Patent #: 4738632 InventorAssigneeApplicationNo. 268813 filed on 11/08/1988US Classes:439/341, Pivotal movement439/357, Resilient finger439/686, Having multipart insulating body or casing439/701Having modular or multipart insulating bodyExaminersPrimary: Abrams, NeilAssistant: Nguyen, Khiem Attorney, Agent or FirmInternational ClassH01R 004/50Foreign Application Priority Data1987-11-13 DEAbstractThis invention concerns a multipole electric plug and socket device consisting of a plug enclosure and a socket box enclosure in which there are contact elements and mating contact elements connected to electric lines and accommodated in appropriate compartments, where the enclosure can be connected to a pivot hinge device and can be locked with a catch mechanism opposite the pivot hinge device, and box-shaped magazines having contact elements compartments can be inserted into the plug enclosure and/or the socket box enclosure, and these magazines have catch devices that interlock with mating catch devices on the housing walls, and the plug enclosure has an insertion orifice for frontal insertion of magazines at the front.Other References
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