Carta-patente expirada
#21.1
Patente extinta em 21/03/2005
05/18/2010
RPI 2054
Application data
Number
PI9001322Type
Filing
Publication
The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
R. H. (pessoa física)
US
R. A. (pessoa física)
US
S. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 21/03/2005
05/18/2010
RPI 2054
#16.1
12/27/1994
RPI 1256
#13.1
10/04/1994
RPI 1244
#9.1
05/31/1994
RPI 1226
#4.1
07/20/1993
RPI 1181
#3.1
04/02/1991
RPI 1061
#2.1
08/07/1990
RPI 1027
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