Concessão da patente
#16.1
09/26/1989
RPI 988
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Application data
Number
PI8501809Type
Invention Patent
Filing
04/16/1985
Publication
12/17/1985
Progress at the INPI
- Filing04/16/85
- Publication12/17/85
- Examination05/27/86
- Allowance02/28/89
- Grant09/26/89
- Expired07/15/08
The letters patent expired on 07/15/2008: 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
K. H. (pessoa física)
DE
Inventors
W. M. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
07/11/1989
RPI 977
Deferimento
#9.1
02/28/1989
RPI 958
Exigência - art. 36 da LPI
#6.1
06/21/1988
RPI 922
Solicitação de exame técnico
#4.1
05/27/1986
RPI 814
Publicação do pedido de patente
#3.1
12/17/1985
RPI 791
Pedido de patente depositado
#2.1
07/02/1985
RPI 767
Carta-patente expirada
#21.1
Patente extinta em 16/04/2000
07/15/2008
RPI 1958
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