14.1
11/04/1986
RPI 837
Application data
Number
PI8400068Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 11/04/1986. We update with every new RPI gazette, published weekly.
Applicants
M. R. (pessoa física)
CH
Inventors
D. F. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
11/04/1986
RPI 837
#4.1
08/06/1985
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#3.1
02/12/1985
RPI 747
#2.1
03/20/1984
RPI 700
#21.1
Patente extinta em 06/01/99
07/08/2008
RPI 1957
#16.1
09/25/1990
RPI 1034
#13.1
06/26/1990
RPI 1024
#9.1
03/06/1990
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