Concessão da patente
#16.1
06/02/1987
RPI 867
Application data
Number
PI8400475Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
Keystone International, Inc.
US
Inventors
S. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
#13.1
12/23/1986
RPI 844
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09/02/1986
RPI 828
#5.1
11/12/1985
RPI 786
#4.1
06/04/1985
RPI 763
#3.1
09/11/1984
RPI 725
#2.1
04/17/1984
RPI 704
#21.1
Patente extinta em 03/02/99
07/08/2008
RPI 1957
From the same holder
Same category
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