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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8303988

Type

Invention Patent

Filing

07/26/1983

Publication

03/05/1985

Progress at the INPI

  1. Filing07/26/83
  2. Publication03/05/85
  3. Examination09/17/85
  4. Allowance08/26/86
  5. Grant06/30/87
  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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. B. (pessoa física)

SP, BR

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Solicitação de exame não realizada

#4.2

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

03/05/1985

RPI 750

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Carta-patente expirada

#21.1

Patente extinta em 26/07/98

07/01/2008

RPI 1956

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