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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE MICROCÁPSULAS DE POLIURÉIA E POLIURÉIA/EPÓXI

Prazo de SigiloInvention Patent

Application data

Number

PI8805686

Type

Invention Patent

Filing

11/03/1988

Publication

06/12/1990

Progress at the INPI

  1. Filing11/03/88
  2. Publication06/12/90
  3. Examination11/27/90
  4. Allowance03/19/96
  5. Grant02/25/97
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Moore Business Forms, Inc.

US

See this company's full portfolio

Inventors

H. C. (pessoa física)

US

Technical data

Priority claims

US

153.449 · 02/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Carta-patente expirada

#21.1

Patente extinta em 03/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

12/10/1996

RPI 1358

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

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