18.8
11/03/1987
RPI 889
The letters patent expired on 09/26/1995: 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: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants
Hayssen Manufaturing Company.
US
Inventors
R. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/03/1987
RPI 889
10/27/1987
RPI 888
#18.2
08/11/1987
RPI 877
#16.1
04/29/1986
RPI 810
#13.1
12/03/1985
RPI 789
10/08/1985
RPI 781
01/08/1985
RPI 742
#12.1
07/24/1984
RPI 718
#9.1
04/03/1984
RPI 702
#5.1
08/09/1983
RPI 668
#4.1
03/08/1983
RPI 646
#21.1
09/26/1995
RPI 1295
Same category
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