Carta-patente expirada
#21.1
08/16/1988
RPI 930
Progress at the INPI
- Filing05/29/78
- Publication
- Examination
- Allowance03/16/82
- Grant
- Expired08/16/88
The letters patent expired on 08/16/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. D. (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
08/30/1983
RPI 671
Notificação para pagamento de retribuição
#13.1
07/06/1982
RPI 611
Deferimento
#9.1
03/16/1982
RPI 595
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