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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8301939

Type

Invention Patent

Filing

04/15/1983

Publication

12/20/1983

Progress at the INPI

  1. Filing04/15/83
  2. Publication12/20/83
  3. Examination05/22/84
  4. Allowance04/22/86
  5. Grant11/25/86
  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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

FR

Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Exigência - art. 36 da LPI

#6.1

07/16/1985

RPI 769

Pedido de certificado de adição de invenção

#5.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Carta-patente expirada

#21.1

Patente extinta em 15/04/98

07/01/2008

RPI 1956

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