Concessão da patente
#16.1
09/26/1989
RPI 988
Back to search
Official data from INPI
REVESTIMENTO REFRATÁRIO DE GASEIFICADORES DE CARVÃO
ConcedidaInvention Patent
Application data
Number
PI8405357Type
Invention Patent
Filing
02/10/1984
Publication
02/12/1985
Progress at the INPI
- Filing02/10/84
- Publication02/12/85
- Examination05/28/85
- Allowance02/28/89
- Grant09/26/89
- Terminated06/27/95
The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Korf Engineering GMBH
DE
V. M. (pessoa física)
AT
V. A. (pessoa física)
AT
Inventors
D. P. (pessoa física)
DE
H. G. (pessoa física)
AT
H. S. (pessoa física)
AT
J. H. (pessoa física)
AT
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
07/11/1989
RPI 977
Deferimento
#9.1
02/28/1989
RPI 958
Pedido de certificado de adição de invenção
#5.1
10/29/1985
RPI 784
Solicitação de exame técnico
#4.1
05/28/1985
RPI 762
Notificação de entrada na fase nacional - PCT
#1.3
02/12/1985
RPI 747
Anuidade - prazo legal encerrado
#18.2
06/27/1995
RPI 1282
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.