Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8702422Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
BBC Brown Boveri S.A
SP, BR
Lasertech S.A
SP, BR
Inventors
E. G. (pessoa física)
BR
M. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/17/1989
RPI 991
#3.1
11/22/1988
RPI 944
#2.1
06/14/1988
RPI 921
#15.11
As classificações anteriores eram: G01B 17/00; G01B 17/02
08/16/2016
RPI 2380
#21.1
Patente extinta em 30/04/2002
07/29/2008
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11/23/1993
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06/01/1993
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04/27/1993
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12/29/1992
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08/25/1992
RPI 1134
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12/10/1991
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