Anuidade - prazo legal encerrado
#18.2
10/03/1989
RPI 989
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Official data from INPI
PROCESSO PARA O TRATAMENTO SUPERFICIAL ESTABILIZANTE DE CORPOS SEMI-CONDUTORES
Em AnáliseInvention Patent
Progress at the INPI
- Filing09/03/77
- Publication
- Examination
- Allowance01/05/82
- Grant08/31/82
- Terminated10/03/89
The patent was granted on 08/31/1982 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
S. G. (pessoa física)
Inventors
C. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
20.4
01/19/1988
RPI 900
Concessão da patente
#16.1
08/31/1982
RPI 619
Notificação para pagamento de retribuição
#13.1
05/04/1982
RPI 602
Deferimento
#9.1
01/05/1982
RPI 585
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