Deferimento
#9.1
10/31/1989
RPI 993
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Application data
Number
PI8305973Type
Invention Patent
Filing
10/31/1983
Publication
02/20/1985
Progress at the INPI
- Filing10/31/83
- Publication02/20/85
- Examination04/07/87
- Allowance10/31/89
- 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The B.F. Goodrich Company.
US
Inventors
H. C. (pessoa física)
S. K. (pessoa física)
Technical data
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Exigência - art. 36 da LPI
#6.1
04/25/1989
RPI 966
Exigência - art. 36 da LPI
#6.1
06/21/1988
RPI 922
Solicitação de exame técnico
#4.1
04/07/1987
RPI 859
Publicação do pedido de patente
#3.1
02/20/1985
RPI 748
Pedido de patente depositado
#2.1
01/17/1984
RPI 691
Carta-patente expirada
#21.1
Patente extinta em 31/10/98
07/01/2008
RPI 1956
Concessão da patente
#16.1
05/29/1990
RPI 1020
Notificação para pagamento de retribuição
#13.1
03/06/1990
RPI 1008
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