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Official data from INPI

CASQUILHO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8902442

Type

Invention Patent

Filing

04/26/1989

Publication

11/13/1990

Progress at the INPI

  1. Filing04/26/89
  2. Publication11/13/90
  3. Examination07/27/93
  4. Allowance12/01/98
  5. Grant06/29/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metal Leve S/A Indústria e Comércio

SP, BR

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Inventors

D. B. (pessoa física)

BR

M. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/04/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Solicitação de exame não realizada

#4.2

04/06/1993

RPI 1166

Publicação do pedido de patente

#3.1

11/13/1990

RPI 1041

Pedido de patente depositado

#2.1

06/26/1990

RPI 1024

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