Exigência - art. 36 da LPI
#6.1
08/08/1989
RPI 981
Back to search
Official data from INPI
PROCESSO PARA REDUÇÃO DE COMPOSTO METÁLICO.
Em ExigênciaInvention Patent
Application data
Number
PI8406090Type
Invention Patent
Filing
11/29/1984
Publication
09/24/1985
Progress at the INPI
- Filing11/29/84
- Publication09/24/85
- Examination06/30/87
- Allowance03/01/90
- Grant10/30/90
- Terminated07/04/95
The patent was granted on 10/30/1990 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Union Steel Corporation of South Africa Limited
ZA
Inventors
J. W. (pessoa física)
DE
P. B. (pessoa física)
ZA
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
06/30/1987
RPI 871
Publicação do pedido de patente
#3.1
09/24/1985
RPI 779
Pedido de patente depositado
#2.1
02/26/1985
RPI 749
Anuidade - prazo legal encerrado
#18.2
07/04/1995
RPI 1283
Concessão da patente
#16.1
10/30/1990
RPI 1039
Notificação para pagamento de retribuição
#13.1
06/19/1990
RPI 1023
Deferimento
#9.1
03/01/1990
RPI 1007
Related
From the same holder
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.