Anuidade - prazo legal encerrado
#18.2
07/12/1988
RPI 925
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Official data from INPI
PROCESSO PARA REDUZIR A IRRADIACAO DE CALOR DE UMA CELULA ELETROLITICA DE REDUCAO DE ALUMINA
Em AnáliseInvention Patent
Progress at the INPI
- Filing09/07/76
- Publication
- Examination
- Allowance03/30/82
- Grant
- Terminated07/12/88
The patent was granted 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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
M. I. (pessoa física)
Inventors
No inventors listed.
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de licença compulsória
#20.1
10/15/1985
RPI 782
20.7
10/08/1985
RPI 781
Notificação para pagamento de retribuição
#13.1
07/20/1982
RPI 613
Deferimento
#9.1
03/30/1982
RPI 597
15.0
11/03/1981
RPI 576
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