Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8300185Type
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
H. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#13.1
11/10/1987
RPI 890
#9.1
07/14/1987
RPI 873
#4.1
02/04/1986
RPI 798
#3.1
10/11/1983
RPI 677
#2.1
03/01/1983
RPI 645
#21.1
Patente extinta em 17/01/98
07/01/2008
RPI 1956
From the same holder
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