12.4
04/19/1988
RPI 913
Application data
Number
PI8303167Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 04/19/1988. We update with every new RPI gazette, published weekly.
Applicants
Scientific Design Company, Inc.
US
Inventors
J. R. (pessoa física)
US
IPC Classification
Priority claims
US
388,865 · 06/16/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
04/19/1988
RPI 913
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03/08/1988
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03/04/1986
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01/31/1984
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07/26/1983
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#21.1
Patente extinta em 15/06/98
07/01/2008
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02/25/1997
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10/29/1996
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06/18/1996
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05/23/1995
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12/06/1994
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