20.7
08/29/1989
RPI 984
Progress at the INPI
- Filing01/27/82
- Publication04/13/82
- Examination07/06/82
- Allowance01/02/85
- Grant12/30/86
- 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
200
11/16/1988
RPI 943
Pedido de licença voluntária
#17.1
05/03/1988
RPI 915
Concessão da patente
#16.1
12/30/1986
RPI 845
110
06/17/1986
RPI 817
15.20
06/11/1985
RPI 764
Recurso
#12.1
05/21/1985
RPI 761
15.10
02/26/1985
RPI 749
Deferimento
#9.1
01/02/1985
RPI 741
Conhecimento de parecer técnico
#7.1
02/07/1984
RPI 694
Pedido de certificado de adição de invenção
#5.1
01/04/1983
RPI 637
Solicitação de exame técnico
#4.1
07/06/1982
RPI 611
Publicação antecipada
#3.2
04/13/1982
RPI 599
Pedido de patente depositado
#2.1
03/16/1982
RPI 595
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.