Anuidade - prazo legal encerrado
#18.2
06/21/1988
RPI 922
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Official data from INPI
PROCESSO PARA A OBTENCAO DE LIGAS A BASE DE MANGANES E, EM PARTICULAR, DE FERRO-MANGANES COM BAIXO TEOR DE CARBANO
Em AnáliseInvention Patent
Progress at the INPI
- Filing01/22/79
- Publication
- Examination
- Allowance08/20/85
- Grant04/29/86
- Terminated06/21/88
The patent was granted on 04/29/1986 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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SOFREM
Inventors
D. M. (pessoa física)
S. L. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
04/29/1986
RPI 810
Notificação para pagamento de retribuição
#13.1
12/24/1985
RPI 792
Deferimento
#9.1
08/20/1985
RPI 774
Exigência - art. 36 da LPI
#6.1
11/29/1983
RPI 684
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