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Official data from INPI

BLOCO DE INTERTRAVAMENTO

Em AnáliseInvention Patent

Application data

Number

PI8605973

Type

Invention Patent

Filing

12/05/1986

Publication

06/28/1988

Progress at the INPI

  1. Filing12/05/86
  2. Publication06/28/88
  3. Examination01/10/89
  4. Allowance04/10/90
  5. Grant07/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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

J. H. (pessoa física)

US

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Republicação - classificação IPC

#15.11

12/22/2009

RPI 2033

Carta-patente expirada

#21.1

Patente extinta em 05/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

03/30/1993

RPI 1165

110

02/02/1993

RPI 1157

Recurso

#12.1

06/19/1990

RPI 1023

Deferimento

#9.1

04/10/1990

RPI 1013

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