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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8206939

Type

Invention Patent

Filing

11/30/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/30/82
  2. Publication10/04/83
  3. Examination12/31/85
  4. Allowance05/05/87
  5. Grant10/27/87
  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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

JP

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Inventors

A. S. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

Carta-patente expirada

#21.1

Patente extinta em 30/11/97

07/01/2008

RPI 1956

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