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Official data from INPI

ENVOLTÓRIO DE ESTACA E PROCESSO DE PROTEGER UMA ESTACA

Em AnáliseInvention PatentPCT · GB1987000127

Application data

Number

PI8707601

Type

Invention Patent

Filing

02/20/1987

Publication

03/14/1989

PCT

GB1987000127

Progress at the INPI

  1. Filing02/20/87
  2. Publication03/14/89
  3. Examination10/24/89
  4. Allowance07/21/92
  5. Grant04/27/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N.I.C.C. Limited

GB

Inventors

A. S. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8604285 · 02/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Notificação de entrada na fase nacional - PCT

#1.3

03/14/1989

RPI 960

Carta-patente expirada

#21.1

Patente extinta em 20/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Deferimento

#9.1

07/21/1992

RPI 1129

Conhecimento de parecer técnico

#7.1

10/15/1991

RPI 1089

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