20.4
12/30/1986
RPI 845
Application data
Number
PI8204275Type
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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
Sulzer-Escher Wyss Ag
CH
Inventors
L. S. (pessoa física)
CH
Publications in the Brazilian Industrial Property Gazette (RPI).
12/30/1986
RPI 845
#16.1
03/25/1986
RPI 805
#13.1
11/12/1985
RPI 786
#9.1
07/09/1985
RPI 768
#4.1
08/28/1984
RPI 723
#3.1
07/19/1983
RPI 665
#2.1
08/31/1982
RPI 619
#21.1
Patente extinta em 22/07/97
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
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