Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8305069

Type

Invention Patent

Filing

09/19/1983

Publication

05/08/1984

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Progress at the INPI

Filing09/19/83
Publication05/08/84
Examination10/29/85
Allowance10/13/87
Grant06/28/88
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.

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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

Sociedade Anônima White Martins

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

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

14.4

01/06/1987

RPI 846

14.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

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

Pedido de licença compulsória

#20.1

01/16/1990

RPI 1002

20.4

01/09/1990

RPI 1001

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