Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8405676

Type

Invention Patent

Filing

11/07/1984

Publication

06/10/1986

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Progress at the INPI

Filing11/07/84
Publication06/10/86
Examination09/09/86
Allowance09/08/87
Grant06/28/88
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.

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Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. T. (pessoa física)

RJ, BR

H. C. (pessoa física)

RJ, BR

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação do pedido de patente

#3.1

06/10/1986

RPI 816

Pedido de patente depositado

#2.1

01/22/1985

RPI 744

Carta-patente expirada

#21.1

Patente extinta em 07/11/99

07/08/2008

RPI 1957

Pedido de licença compulsória

#20.1

03/04/1997

RPI 1370

20.3

11/05/1996

RPI 1353

20.3

10/22/1996

RPI 1351

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