Concessão da patente
#16.1
09/29/1987
RPI 884
Application data
Number
PI8106970Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
M. D. (pessoa física)
Inventors
D. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
08/11/1987
RPI 877
06/09/1987
RPI 868
#12.2
03/04/1987
RPI 854
#9.2
11/04/1986
RPI 837
#4.1
09/06/1983
RPI 672
#3.2
01/12/1982
RPI 586
#2.1
12/15/1981
RPI 582
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era E04H 3/18.
03/27/2018
RPI 2464
#21.1
Patente extinta em 27/10/96
08/19/2008
RPI 1963
Same category
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