Concessão da patente
#16.1
05/31/1988
RPI 919
Application data
Number
PI8207783Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
H. [. (pessoa física)
M. [. (pessoa física)
P. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
02/09/1988
RPI 903
#9.1
10/13/1987
RPI 886
#7.1
01/21/1987
RPI 848
#4.1
02/12/1985
RPI 747
#1.3
07/19/1983
RPI 665
#21.1
Patente extinta em 01/07/97
07/01/2008
RPI 1956
From the same holder
Same category
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