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Official data from INPI

ELEMENTO DE DESGASTE SUBSTITUÍVEL E PROCESSO PARA PROJETAR UMA CONEXÃO EM CAUDA DE ANDORINHA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100567

Type

Invention Patent

Filing

02/08/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/08/91
  2. Publication10/29/91
  3. Examination09/15/92
  4. Allowance09/24/96
  5. Grant06/24/97
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

P. S. (pessoa física)

US

T. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

478.359 · 02/12/1990

US

528.087 · 05/24/1990

US

627.509 · 12/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/02/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

06/24/1997

RPI 1386

Deferimento

#9.1

09/24/1996

RPI 1347

Solicitação de exame técnico

#4.1

09/15/1992

RPI 1137

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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