Display structure
Patent 4214392 Issued on July 29, 1980. Estimated Expiration Date: 
August 25, 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.
August 25, 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 References 2206774 3174629 Beach blanket staking device Folding display easel Interconnectible structural tubular members Patent #: 4108316 InventorApplicationNo. 05/936723 filed on 08/25/1978US Classes:40/605, Modular160/135, Portable248/440.1, At least two legs form unitary structure40/606.16, Plural supports hingedly connected40/607.1, Base attached to post40/733Hingedly connectedExaminersPrimary: Pitrelli, John F.Attorney, Agent or FirmInternational ClassG09F 15/00 (20060101)AbstractA plurality of generally rectangular frames hinged together and having dislay panels mounted in display areas defined by the frames. Each frame includes a horizontal top frame member having downturned end portions and U-shaped frame members having horizontal bottom frame portions and laterally spaced apart vertical tubular side frame portion; shaving longitudinal slots. Connector pins at the end portions of the top frame members are received in open upper ends of the tubular side frame portions. Display panels in the display areas are formed with outwardly projecting mounting tabs that are received in the slots of the side frame portions to hold the panels in place. Supporting legs have yokes at their upper ends that slidably engage the bottom frame portions of given ones of the frames, and clamping elements releasably lock the bottom frame portions against sliding movements in the yokes. | |
