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Official data from INPI

PROCESSO E EQUIPAMENTO PARA A DECAPAGEM DE FITAS DE AÇO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8905794

Type

Invention Patent

Filing

11/14/1989

Publication

06/12/1990
View on INPI

Progress at the INPI

  1. Filing11/14/89
  2. Publication06/12/90
  3. Examination04/23/91
  4. Allowance03/10/98
  5. Grant11/24/98
  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

M. A. (pessoa física)

AT

Inventors

D. M. (pessoa física)

AT

E. M. (pessoa física)

AT

W. H. (pessoa física)

AT

Technical data

IPC Classification

C23G 3/02

Priority claims

AT

A 2799/88 · 11/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/11/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

03/10/1998

RPI 1420

Exigência - art. 36 da LPI

#6.1

08/05/1997

RPI 1392

Conhecimento de parecer técnico

#7.1

10/01/1996

RPI 1348

Retificação

#15.6

11/08/1994

RPI 1249

Retificação

#15.3

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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