201
09/19/1989
RPI 987
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Application data
Number
PI8109058Type
Invention Patent
Filing
12/23/1981
Publication
09/20/1983
Progress at the INPI
- Filing12/23/81
- Publication09/20/83
- Examination02/21/84
- Allowance01/13/87
- Grant03/29/88
- Expired08/19/08
The letters patent expired on 08/19/2008: 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: 09/19/1989. 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).
Pedido de licença voluntária
#17.1
05/09/1989
RPI 968
Concessão da patente
#16.1
03/29/1988
RPI 910
110
11/03/1987
RPI 889
Recurso
#12.1
05/05/1987
RPI 863
Deferimento
#9.1
01/13/1987
RPI 847
15.10
10/21/1986
RPI 835
Exigência - art. 36 da LPI
#6.1
12/10/1985
RPI 790
Exigência - art. 36 da LPI
#6.1
03/12/1985
RPI 751
Pedido de certificado de adição de invenção
#5.1
07/10/1984
RPI 716
Solicitação de exame técnico
#4.1
02/21/1984
RPI 696
Publicação do pedido de patente
#3.1
09/20/1983
RPI 674
Carta-patente expirada
#21.1
Patente extinta em 23/12/96
08/19/2008
RPI 1963
320
03/19/1991
RPI 1059
300
02/06/1990
RPI 1005
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