20.7
06/28/1988
RPI 923
Progress at the INPI
- Filing10/17/80
- Publication
- Examination
- Allowance05/08/84
- Grant11/27/84
- Expired12/07/93
The letters patent expired on 12/07/1993: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
S. E. (pessoa física)
Inventors
H. I. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/27/1984
RPI 736
Notificação para pagamento de retribuição
#13.1
09/04/1984
RPI 724
Deferimento
#9.1
05/08/1984
RPI 707
Exigência - art. 36 da LPI
#6.1
11/16/1983
RPI 682
Republicação - classificação IPC
#15.11
01/26/2010
RPI 2038
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
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