Concessão da patente
#16.1
09/26/1989
RPI 988
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Official data from INPI
DISPOSITIVO DE CONEXÃO PARA JUNÇÃO AERO-SUBTERRÂNEA DE CABOS ELÉTRICOS DE BAIXA TENSÃO
ConcedidaInvention Patent
Application data
Number
PI8402232Type
Invention Patent
Filing
05/11/1984
Publication
04/02/1985
Progress at the INPI
- Filing05/11/84
- Publication04/02/85
- Examination02/10/87
- Allowance05/02/89
- Grant09/26/89
- Expired07/08/08
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Treficable Pirelli Société Anonyme, empresa francesa
FR
Inventors
C. B. (pessoa física)
FR
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
05/02/1989
RPI 967
Conhecimento de parecer técnico
#7.1
10/11/1988
RPI 938
6.2
09/15/1987
RPI 882
Solicitação de exame técnico
#4.1
02/10/1987
RPI 851
Publicação do pedido de patente
#3.1
04/02/1985
RPI 754
Pedido de patente depositado
#2.1
07/24/1984
RPI 718
Carta-patente expirada
#21.1
Patente extinta em 11/05/99
07/08/2008
RPI 1957
20.4
11/03/1992
RPI 1144
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