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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300689

Type

Invention Patent

Filing

02/10/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/10/83
  2. Publication11/08/83
  3. Examination04/01/86
  4. Allowance06/21/88
  5. Grant06/27/89
  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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. S. (pessoa física)

DE

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Exigência - art. 36 da LPI

#6.1

12/08/1987

RPI 894

6.2

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

8.1

02/12/1986

RPI 799

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

Patente extinta em 10/02/98

07/01/2008

RPI 1956

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