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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8301312

Type

Invention Patent

Filing

03/16/1983

Publication

11/29/1983

Progress at the INPI

  1. Filing03/16/83
  2. Publication11/29/83
  3. Examination03/07/84
  4. Allowance06/18/85
  5. Grant02/25/86
  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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neyrpic

FR

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Inventors

G. G. (pessoa física)

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

10/01/1985

RPI 780

Deferimento

#9.1

06/18/1985

RPI 765

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Carta-patente expirada

#21.1

Patente extinta em 16/03/98

07/01/2008

RPI 1956

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