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Official data from INPI

APERFEIÇOAMENTO EM FERRO FUNDIDO RESISTENTE AO DESGASTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000218

Type

Invention Patent

Filing

01/19/1990

Publication

10/08/1991

Progress at the INPI

  1. Filing01/19/90
  2. Publication10/08/91
  3. Examination01/21/92
  4. Allowance12/29/98
  5. Grant06/29/99
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústria de Fundição Tupy Ltda

SC, BR

See this company's full portfolio

Inventors

L. G. (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 19/01/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

06/29/1999

RPI 1486

Republicação - classificação IPC

#15.11

Alterada de Int.Cl C21C 1/10

01/05/1999

RPI 1461

Deferimento

#9.1

12/29/1998

RPI 1460

Exigência - art. 36 da LPI

#6.1

11/11/1997

RPI 1406

Solicitação de exame técnico

#4.1

01/21/1992

RPI 1103

Publicação do pedido de patente

#3.1

10/08/1991

RPI 1088

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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