Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8404309Type
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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
BBC Brown, Boveri & Company Limited
CH
Inventors
D. F. (pessoa física)
M. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
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03/01/1988
RPI 906
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11/10/1987
RPI 890
#4.1
12/03/1985
RPI 789
#3.1
07/30/1985
RPI 771
#2.1
11/06/1984
RPI 733
#21.1
Patente extinta em 29/08/99
07/08/2008
RPI 1957
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Same category
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