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Official data from INPI

REBITE CEGO PARA ANCORAGEM EM MATERIAL RELATIVAMENTE MACIO

Prazo de SigiloInvention Patent

Application data

Number

PI8902414

Type

Invention Patent

Filing

05/26/1989

Publication

01/16/1990

Progress at the INPI

  1. Filing05/26/89
  2. Publication01/16/90
  3. Examination02/05/91
  4. Allowance11/23/93
  5. Grant05/31/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Avdel Systems Limited

GB

See this company's full portfolio

Inventors

M. W. (pessoa física)

GB

R. L. (pessoa física)

GB

W. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8812599 · 05/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 26/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/23/1993

RPI 1199

Exigência - art. 36 da LPI

#6.1

04/27/1993

RPI 1169

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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