Carta-patente expirada
#21.1
Patente extinta em 28/11/2004
12/29/2009
RPI 2034
Application data
Number
PI8905983Type
Filing
Publication
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
D. J. (pessoa física)
US
D. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 28/11/2004
12/29/2009
RPI 2034
#16.1
11/29/1994
RPI 1252
#13.1
08/02/1994
RPI 1235
#9.1
03/22/1994
RPI 1216
#4.1
06/30/1992
RPI 1126
#3.1
06/19/1990
RPI 1023
#2.1
03/27/1990
RPI 1011
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