Anuidade - prazo legal encerrado
#18.2
05/24/1988
RPI 918
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Official data from INPI
PERMUTADOR DE CALOR, ESPECIALMENTE PREAQUECEDOR (OU COWPER)PARA ALTOS FORNOS E PROCESSO PARA A REGULAGEM DE TEMPERAUTRA DO GÁS E DO JATO, PARA ALTO FORNO
Em AnáliseInvention Patent
Application data
Number
PI8200206Type
Invention Patent
Filing
01/15/1982
Publication
11/23/1982
Progress at the INPI
- Filing01/15/82
- Publication11/23/82
- Examination05/10/83
- Allowance02/12/86
- Grant11/25/86
- Terminated05/24/88
The patent was granted on 11/25/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Brohltal-Deumag AG Fur Fuuerfeste Erzeugnisse
DE
Inventors
H. B. (pessoa física)
DE
H. K. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/25/1986
RPI 840
Notificação para pagamento de retribuição
#13.1
06/24/1986
RPI 818
Deferimento
#9.1
02/12/1986
RPI 799
Exigência - art. 36 da LPI
#6.1
11/27/1984
RPI 736
Solicitação de exame técnico
#4.1
05/10/1983
RPI 655
Publicação do pedido de patente
#3.1
11/23/1982
RPI 631
Pedido de patente depositado
#2.1
03/09/1982
RPI 594
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