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Official data from INPI

MÉTODO DE DUAS ETAPAS PARA PRESERVAR E COLORIR MADEIRA

Prazo de SigiloInvention Patent

Application data

Number

PI8902889

Type

Invention Patent

Filing

06/15/1989

Publication

09/18/1990

Progress at the INPI

  1. Filing06/15/89
  2. Publication09/18/90
  3. Examination10/29/91
  4. Allowance02/06/96
  5. Grant01/21/98
  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.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBC Manufacturing Company

US

M. W. (pessoa física)

US

Inventors

M. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

245.168 · 09/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 15/06/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

01/21/1998

RPI 1413

14.1

12/03/1996

RPI 1357

14.7

11/26/1996

RPI 1356

Notificação para pagamento de retribuição

#13.1

07/16/1996

RPI 1337

Deferimento

#9.1

02/06/1996

RPI 1314

Exigência - art. 36 da LPI

#6.1

06/20/1995

RPI 1281

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

Publicação do pedido de patente

#3.1

09/18/1990

RPI 1033

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