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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8206594

Type

Invention Patent

Filing

11/12/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/12/82
  2. Publication04/12/83
  3. Examination01/10/84
  4. Allowance04/09/85
  5. Grant11/26/85
  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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. L. (pessoa física)

FR

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Publicação antecipada

#3.2

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

01/04/1983

RPI 637

Carta-patente expirada

#21.1

Patente extinta em 12/11/97

07/01/2008

RPI 1956

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