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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305933

Type

Invention Patent

Filing

10/27/1983

Publication

06/05/1984

Progress at the INPI

  1. Filing10/27/83
  2. Publication06/05/84
  3. Examination10/09/84
  4. Allowance06/28/88
  5. Grant01/10/89
  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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wheeling Stamping Co.

US

Inventors

B. A. (pessoa física)

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

14.1

03/22/1988

RPI 909

Exigência - art. 36 da LPI

#6.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

10/09/1984

RPI 729

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Carta-patente expirada

#21.1

Patente extinta em 27/10/98

07/01/2008

RPI 1956

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