Publicação do pedido de patente
#3.1
03/01/1988
RPI 906
Application data
Number
PI8702837Type
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: 03/01/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
K. P. (pessoa física)
US
IPC Classification
Priority claims
US
871,198 · 06/05/1986
US
871,199 · 06/05/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
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03/01/1988
RPI 906
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