Skin-fold caliper
Patent 4233743 Issued on November 18, 1980. Estimated Expiration Date: 
November 18, 1997. 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 18, 1997. 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 1357323 1958024 InventorAssigneeApplicationNo. 05/765090 filed on 02/03/1977US Classes:33/512, Human600/587Measuring anatomical characteristic or force applied to or exerted by bodyExaminersPrimary: Little, WillisAttorney, Agent or FirmInternational ClassesA61B 5/107 (20060101)G01B 3/20 (20060101) AbstractA skin-fold caliper includes a base member having a handle portion and a jaw portion, a slide member having a mounting portion and a jaw portion, and a coiled spring attached between the base member and the slide member to bias the ends of the respective jaw portions together. The slide member is mounted within a recess defined by the base member for linear movement therealong. The spring is selected so that a change in its extended length does not effect a large change in the force applied to close the jaws. Herein, a thin wire spring with many coils housed between the base member and slide member is utilized to obtain this function. | |
