Concessão da patente
#16.1
09/29/1987
RPI 884
Application data
Number
PI8009020Type
Filing
Publication
The letters patent expired on 12/26/1995: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
E. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
07/14/1987
RPI 873
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03/17/1987
RPI 856
#6.1
01/15/1985
RPI 743
#6.1
07/24/1984
RPI 718
#4.1
09/13/1983
RPI 673
#1.3
11/17/1981
RPI 578
#21.1
12/26/1995
RPI 1308
From the same holder
Same category
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