Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2011-03-08
2011-03-08
Tugbang, A. Dexter (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S602100, C029S606000, C505S211000, C505S213000, C335S296000, C335S304000, C335S306000, C336S229000, C336S230000
Reexamination Certificate
active
07900343
ABSTRACT:
A group of magnetic strands are configured into a minimal number of solid magnetized toroidal rings with a conical magnetization direction and then aligned, stacked and assembled into a magic sphere magnetic structure. Each magnetized toroidal ring has predetermined dimensions to form the inner and outer surfaces of a spherical shell. The present invention also encompasses a magic sphere magnetic device with unsegmented solid magnetized toroidal rings and methods for assembling a magic sphere by stacking magnetized toroidal rings with a conical magnetic direction.
REFERENCES:
patent: 2265041 (1941-12-01), Hipple, Jr.
patent: 4859976 (1989-08-01), Leupold
patent: 5088184 (1992-02-01), Jarabak et al.
patent: 5382936 (1995-01-01), Leupold
patent: 5428335 (1995-06-01), Leupold
patent: 6888434 (2005-05-01), Nordberg
patent: 2004/0140875 (2004-07-01), Strom
Leupold, H.A. (Edited by J.M.D. Coey, Trinity College , Dublin), “Rare-earth Iron Permanent Magnets”, Clarendon Press, Oxford, pp. 381-429, 1996.
Carley Jeffrey
Harbulak Stephen J.
The United States of America as represented by the Secretary of
Tugbang A. Dexter
Zelenka Michael
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