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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8206451

Type

Invention Patent

Filing

11/05/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/05/82
  2. Publication09/27/83
  3. Examination11/19/85
  4. Allowance10/13/87
  5. Grant06/28/88
  6. 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 specialist

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

Applicants and inventors

Applicants

T. K. (pessoa física)

JP

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Inventors

S. T. (pessoa física)

Technical data

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

Exigência - art. 36 da LPI

#6.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

11/19/1985

RPI 787

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

Patente extinta em 05/11/97

07/01/2008

RPI 1956

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