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BIMETALLIC TOKEN WITH ANNULAR RING HAVING DIFFERENT PERMEABILITY THAN INNER PORTION
US 3,499,739 A
Filed
: 04/27/1966
Issued
: 03/10/1970
Est. Priority Date
: 04/27/1966
Status: Expired due to Term
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Current Assignee
New Franklin Mint
Original Assignee
Joseph M. Segel
Inventors
Segel, Joseph M.
Application Number
US04/545,728
Time in Patent Office
1,413 Days
Field of Search
US Class Current
428/579
CPC Class Codes
G07F 1/06
Coins specially adapted to ...
H01F 1/00
Magnets or magnetic bodies ...
Y10S 428/927
Decorative informative
Y10S 428/928
Magnetic property
Y10T 428/12028
Composite; i.e., plural, ad...
Y10T 428/12243
Disk
Y10T 428/1225
Symmetrical
Y10T 428/12347
Plural layers discontinuous...
Y10T 428/12389
having variation in thickness
Y10T 428/12465
having magnetic properties,...
Y10T 428/1291
Next to Co-, Cu-, or Ni-bas...
Y10T 428/12986
Adjacent functionally defin...
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