Solicitação de exame técnico
#4.1
03/08/1988
RPI 907
Application data
Number
PI8506842Type
Filing
Publication
The patent was granted on 02/04/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 03/08/1988. We update with every new RPI gazette, published weekly.
Applicants
The British Petroleum Company Plc
GB
Inventors
I. M. (pessoa física)
GB
T. N. (pessoa física)
JP
IPC Classification
Priority claims
GB
8419174 · 07/27/1984
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