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Official data from INPI

FECHAMENTO PARA TAMPA OU COBERTURA DE EXTREMIDADE

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905849

Type

Invention Patent

Filing

11/21/1989

Publication

05/21/1991

Progress at the INPI

  1. Filing11/21/89
  2. Publication05/21/91
  3. Examination06/15/93
  4. Allowance03/22/94
  5. Grant11/29/94
  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

Quaker, Chiari & Forti S.p.A.

IT

Inventors

E. T. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19075-A/89 · 01/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Publicação do pedido de patente

#3.1

05/21/1991

RPI 1068

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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