Recurso
#12.1
08/01/1989
RPI 980
Application data
Number
PI8505014Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
Irmãos Geremia Ltda
RS, BR
I. G. (pessoa física)
RS, BR
I. G. (pessoa física)
S. G. (pessoa física)
Weatherford Indústria e Comércio LTDA
RS, BR
Inventors
I. G. (pessoa física)
BR
S. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#12.1
08/01/1989
RPI 980
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04/04/1989
RPI 963
#4.1
08/18/1987
RPI 878
#3.1
05/12/1987
RPI 864
#2.1
12/17/1985
RPI 791
#21.1
Patente extinta em 04/10/2000
07/15/2008
RPI 1958
#25.1
Transferido de: Irmãos Geremia Ltda
07/04/2000
RPI 1539
#25.11
12/23/1997
RPI 1409
#25.7
08/26/1997
RPI 1395
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04/06/1993
RPI 1166
#16.1
10/30/1990
RPI 1039
#13.1
08/07/1990
RPI 1027
06/05/1990
RPI 1021
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