Concessão da patente
#16.1
11/30/1982
RPI 632
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Official data from INPI
ELETRODO PARA SER USADO NUMA CELULA DE DIAFRAGMA OU DE MEMBRANA ANODO AJUSTAVEL,MONTAGEM DE ANODO,CELULA ELETROLITICA DO TIPO DE DIAFRAGMA OU DE MEMBRANA E PROCESSO PARA A MONTAGEM DE TAL CELULA
ConcedidaInvention Patent
Progress at the INPI
- Filing06/21/76
- Publication
- Examination
- Allowance06/01/82
- Grant11/30/82
- Terminated10/23/90
The patent was granted on 11/30/1982 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: 11/30/1982. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MARSTON EXCELSIOR LTD
Inventors
D. R. (pessoa física)
H. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
09/21/1982
RPI 622
Deferimento
#9.1
06/01/1982
RPI 606
15.0
10/27/1981
RPI 575
Anuidade - prazo legal encerrado
#18.2
10/23/1990
RPI 1038
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