Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902358Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Minnesota Mining And Manufacturing Company
US
Inventors
J. N. (pessoa física)
US
M. G. (pessoa física)
US
R. A. (pessoa física)
US
T. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 19/05/2004
12/22/2009
RPI 2033
#16.1
10/31/1995
RPI 1300
#9.1
04/18/1995
RPI 1272
#6.1
12/06/1994
RPI 1253
#6.1
03/01/1994
RPI 1213
#4.1
12/03/1991
RPI 1096
#3.1
01/09/1990
RPI 1001
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Same category
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