Collapsible structure for a stroller
Patent 5645293 Issued on July 8, 1997. Estimated Expiration Date: 
July 28, 2015. 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.
July 28, 2015. 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 ReferencesBaby stroller and frame structure therefor Folding baby carriage with double lock Baby carriage Foldable stroller Foldable stroller Collapsable stroller Folding baby carriage Stroller with switchable handle Patent #: 5513864 InventorApplicationNo. 508681 filed on 07/28/1995US Classes:280/642, Three- or four-wheeled chair, baby carriage, or stroller280/47.36, Reversible handles280/650, Chair or stroller for seated occupant280/658Child's carriageExaminersPrimary: Johnson, Brian L.Assistant: Yu, Min Attorney, Agent or FirmInternational ClassB62B 007/06AbstractA collapsible structure for a stroller includes a main connect base fixed on each of two front wheel rod, and an auxiliary connect base is fixed on each of two rear wheel rod. A push ring is provided on each of two push rods being pressed to move down to push down the two push rods and two connecting rods so as to collape and spread a stroller, or to change the position of a push handle for pushing and moving the stroller forward or backward. | |
