Pinwheel assembly
Patent 6398615 Issued on June 4, 2002. Estimated Expiration Date: 
April 19, 2021. 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.
April 19, 2021. 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.InventorsApplicationNo. 838737 filed on 04/19/2001US Classes:446/217, Having fluid-driven rotatable radial blade (e.g., pinwheel)40/440, Rotatable446/236ROTATING OR HAVING VISIBLE ROTATING PORTION (E.G., SPINNING OR WHIRLING, NOT ROLLING)ExaminersPrimary: Ackun, Jacob K.Attorney, Agent or FirmInternational ClassA63H 033/40AbstractA pinwheel assembly has a main shaft, a plurality of curved rods, a first rotating wheel, a second rotating wheel, a third rotating wheel, a fourth rotating wheel, and a plurality of fabric vanes. The main shaft passes through the first rotating wheel, the second rotating wheel, the third rotating wheel, and the fourth rotating wheel. Each of the curved rods is connected to the first rotating wheel and the fourth rotating wheel. Each of the fabric vanes is connected to the second rotating wheel and the third rotating wheel.Field of SearchRotatableHaving fluid-driven rotatable radial blade (e.g., pinwheel) Rollable or having plural rotating bladed members ROTATING OR HAVING VISIBLE ROTATING PORTION (E.G., SPINNING OR WHIRLING, NOT ROLLING) On wheeled support And having additional portion which reciprocates or oscillates, or which rotates about distinct axis Including markings producing visual effect (e.g., chromatic) | |
