Publicação do pedido de patente
#3.1
09/29/1987
RPI 884
Application data
Number
PI8606229Type
Filing
Publication
The letters patent expired on 12/05/2012: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
K. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/29/1987
RPI 884
#2.1
04/28/1987
RPI 862
#21.1
Patente extinta em 29/12/2008
12/05/2012
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#16.1
12/29/1998
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05/06/1997
RPI 1379
#9.1
01/28/1997
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02/06/1996
RPI 1314
#6.1
03/09/1993
RPI 1162
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07/14/1992
RPI 1128
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02/13/1990
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