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Official data from INPI

Método de pré-tratamento e curtimento mineral de couros ou peles

Arquivada/ExtintaInvention PatentPCT · SE1990000652

Application data

Number

PI9007738

Type

Invention Patent

Filing

10/11/1990

Publication

07/21/1992

PCT

SE1990000652

Progress at the INPI

  1. Filing10/11/90
  2. Publication07/21/92
  3. Examination08/17/93
  4. Allowance04/09/96
  5. Grant04/29/97
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SE

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Inventors

A. U. (pessoa física)

FI

T. T. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

SE

8903378-1 · 10/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/10/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

10/10/1995

RPI 1297

Solicitação de exame técnico

#4.1

08/17/1993

RPI 1185

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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