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Official data from INPI

COMPOSIÇÃO AGLUTINANTE; E PROCESSO PARA PREPARAR MACHOS E MOLDES DE FUNDIÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8704047

Type

Invention Patent

Filing

08/07/1987

Publication

05/03/1988

Progress at the INPI

  1. Filing08/07/87
  2. Publication05/03/88
  3. Examination10/24/89
  4. Allowance04/18/95
  5. Grant10/31/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

Borden Chemical Inc.

US

See this company's full portfolio

Inventors

R. L. (pessoa física)

US

Technical data

Priority claims

US

911.866 · 09/26/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

05/03/1988

RPI 915

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 07/08/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

01/13/1998

RPI 1412

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/18/1995

RPI 1272

14.1

05/03/1994

RPI 1222

Exigência - art. 36 da LPI

#6.1

12/17/1991

RPI 1098

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