Deferimento
#9.1
10/24/1989
RPI 992
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Application data
Number
PI8305092Type
Invention Patent
Filing
09/19/1983
Publication
05/08/1984
Progress at the INPI
- Filing09/19/83
- Publication05/08/84
- Examination08/05/86
- Allowance10/24/89
- Grant05/29/90
- Expired07/01/08
The letters patent expired on 07/01/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
A. I. (pessoa física)
US
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Republicação - classificação IPC
#15.11
05/02/1989
RPI 967
Exigência - art. 36 da LPI
#6.1
03/21/1989
RPI 961
6.2
09/15/1987
RPI 882
Solicitação de exame técnico
#4.1
08/05/1986
RPI 824
Publicação do pedido de patente
#3.1
05/08/1984
RPI 707
Pedido de patente depositado
#2.1
11/22/1983
RPI 683
Carta-patente expirada
#21.1
Patente extinta em 19/09/98
07/01/2008
RPI 1956
Concessão da patente
#16.1
05/29/1990
RPI 1020
Notificação para pagamento de retribuição
#13.1
03/01/1990
RPI 1007
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