Stud tape measure
Patent 4301596 Issued on November 24, 1981. Estimated Expiration Date: 
May 22, 2000. 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.
May 22, 2000. 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 1665400 2179658 2563674 2567586 2840914 Outside corner square Layout tool for locating holes on structural steel Patent #: 4228594 InventorApplicationNo. 06/152145 filed on 05/22/1980US Classes:33/494, Special scale markings33/755, By flexible tapeD10/71Rule, tape or scale (10)ExaminersPrimary: Haroian, Harry N.Attorney, Agent or FirmInternational ClassesG01B 3/02 (20060101)G01B 3/00 (20060101) AbstractAn elongated measuring tape is provided and includes first and second longitudinal marginal edges. A first of the longitudinal marginal edges includes a first linear measurement scale extending therealong beginning at one end of the tape and ascending toward the other end thereof and the second longitudinal marginal edge of the tape includes a second linear measurement scale beginning at the same end of the tape and ascending toward the remote end. The first and second scales include the same measurement increments and fractions thereof and the second scale begins, at the aforementioned one end of the tape, at a predetermined fraction of the first increment of the first scale. | |
