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Official data from INPI

DISPOSITIVO DE APERTO DE PORCAS DE FIXAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8304200

Type

Invention Patent

Filing

08/04/1983

Publication

03/13/1984

Progress at the INPI

  1. Filing08/04/83
  2. Publication03/13/84
  3. Examination06/10/86
  4. Allowance11/03/87
  5. Grant06/28/88
  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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Avdel Systems Limited

GB

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

GB

8222710 · 08/06/1982

GB

8309474 · 04/07/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/01/1989

RPI 980

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

03/10/1987

RPI 855

Solicitação de exame técnico

#4.1

06/10/1986

RPI 816

Publicação do pedido de patente

#3.1

03/13/1984

RPI 699

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Carta-patente expirada

#21.1

Patente extinta em 04/08/98

07/01/2008

RPI 1956

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