Accessible hand pump
Patent 6694862 Issued on February 24, 2004. Estimated Expiration Date: 
July 3, 2022. 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 3, 2022. 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 363840 672320 853707 Water pump and gear box therefor Synchronized scotch yoke Motion converter with pinion sector/rack interface Water system with a pedal powered reciprocating pump Patent #: 5772405 InventorsAssigneeApplicationNo. 10/189857 filed on 07/03/2002US Classes:92/13.41, Adjustment by assembly or disassembly74/50Slidable connections (e.g., scotch yoke)ExaminersPrimary: Lazo, Thomas E.Attorney, Agent or FirmInternational ClassesF04B 9/14 (20060101)F04B 9/00 (20060101) AbstractA hand-operated pump, readily accessible and useable by people with disabilities, complies with the specifications set forth in the American Disabilities Act. The reciprocating pump provides for counterbalance-assisted rotary motion input by the user, is simple in design, inexpensive to produce, operates reliably in the field, and requires very little maintenance. The pump is suitable for use in remote areas, such as on ranches, farms and in the National Forest System campgrounds and recreational areas.Other References
Field of SearchPredetermined discrete incremental adjustment positions | |
