Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8401981Type
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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Aero Mecânica Darma S/A
SP, BR
Inventors
M. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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04/25/1989
RPI 966
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01/10/1989
RPI 951
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12/06/1988
RPI 946
#4.1
06/16/1987
RPI 869
#3.1
12/03/1985
RPI 789
#2.1
07/03/1984
RPI 715
#21.1
Patente extinta em 27/04/99
07/08/2008
RPI 1957
04/13/1993
RPI 1167
Same category
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