Concessão da patente
#16.1
03/25/1986
RPI 805
The letters patent expired on 11/22/1994: 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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/25/1986
RPI 805
12/31/1985
RPI 793
09/17/1985
RPI 778
07/09/1985
RPI 768
#12.2
01/02/1985
RPI 741
#9.2
09/18/1984
RPI 726
#7.1
02/07/1984
RPI 694
#6.1
08/09/1983
RPI 668
#5.1
06/01/1982
RPI 606
#4.1
01/12/1982
RPI 586
#21.1
11/22/1994
RPI 1251
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Same category
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