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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8304989

Type

Invention Patent

Filing

09/14/1983

Publication

04/24/1984

Progress at the INPI

  1. Filing09/14/83
  2. Publication04/24/84
  3. Examination10/23/84
  4. Allowance07/14/87
  5. Grant01/26/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

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

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

06/03/1986

RPI 815

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Publicação do pedido de patente

#3.1

04/24/1984

RPI 705

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

Carta-patente expirada

#21.1

Patente extinta em 14/09/98

08/19/2008

RPI 1963

Pedido de licença compulsória

#20.1

02/16/1993

RPI 1159

20.7

02/09/1993

RPI 1158

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