Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902413Type
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
Inventors
M. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 26/05/2004
12/22/2009
RPI 2033
#16.1
11/29/1994
RPI 1252
#13.1
08/02/1994
RPI 1235
#9.1
04/05/1994
RPI 1218
#4.1
11/19/1991
RPI 1094
#3.1
01/16/1990
RPI 1002
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