Pedido de certificado de adição de invenção
#5.1
10/11/1988
RPI 938
Progress at the INPI
- Filing03/22/85
- Publication
- Examination05/24/88
- Allowance01/08/91
- Grant05/28/91
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
No applicants.
Inventors
A. B. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
05/24/1988
RPI 918
Pedido de patente depositado
#2.1
06/18/1985
RPI 765
Carta-patente expirada
#21.1
Patente extinta em 22/03/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
05/28/1991
RPI 1069
Deferimento
#9.1
01/08/1991
RPI 1049
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