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Official data from INPI

FIO DE ENGATE

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906355

Type

Invention Patent

Filing

12/08/1989

Publication

12/18/1990

Progress at the INPI

  1. Filing12/08/89
  2. Publication12/18/90
  3. Examination04/09/91
  4. Allowance01/10/95
  5. Grant06/27/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

P. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

369.766 · 06/22/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

06/27/1995

RPI 1282

Deferimento

#9.1

01/10/1995

RPI 1258

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

Publicação do pedido de patente

#3.1

12/18/1990

RPI 1046

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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