Pedido de certificado de adição de invenção
#5.1
10/21/1986
RPI 835
Application data
Number
PI8505279Type
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: 10/21/1986. We update with every new RPI gazette, published weekly.
Applicants
Intevep, S A
VE
The British Petroleum Company Plc
GB
Inventors
A. T. (pessoa física)
GB
M. C. (pessoa física)
VE
S. T. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#5.1
10/21/1986
RPI 835
#4.1
06/17/1986
RPI 817
#1.3
02/18/1986
RPI 800
#21.1
Patente extinta em 14/02/2000
07/15/2008
RPI 1958
#16.1
10/25/1994
RPI 1247
#9.1
02/22/1994
RPI 1212
#6.1
01/26/1993
RPI 1156
#6.1
05/28/1991
RPI 1069
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