Carta-patente expirada
#21.1
08/16/1988
RPI 930
Progress at the INPI
- Filing10/14/76
- Publication
- Examination
- Allowance10/06/81
- Grant06/29/82
- 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
VARGA E
Inventors
V. E. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
06/29/1982
RPI 610
Notificação para pagamento de retribuição
#13.1
02/02/1982
RPI 589
Deferimento
#9.1
10/06/1981
RPI 572
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