Concessão da patente
#16.1
09/30/1986
RPI 832
Application data
Number
PI7905982Type
Filing
Publication
The letters patent expired on 04/25/1995: 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: 09/30/1986. We update with every new RPI gazette, published weekly.
Applicants
C. D. (pessoa física)
MG, BR
Inventors
M. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/30/1986
RPI 832
#13.1
05/06/1986
RPI 811
#9.1
01/07/1986
RPI 794
08/13/1985
RPI 773
#4.1
07/10/1984
RPI 716
#3.1
07/06/1982
RPI 611
05/04/1982
RPI 602
#21.1
04/25/1995
RPI 1273
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Same category
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