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Official data from INPI

ESTRUTURA DE MÚLTIPLAS CAMADAS

Prazo de SigiloInvention Patent

Application data

Number

PI8903430

Type

Invention Patent

Filing

07/12/1989

Publication

03/06/1990

Progress at the INPI

  1. Filing07/12/89
  2. Publication03/06/90
  3. Abandoned02/25/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

US

See this company's full portfolio

Inventors

W. F. (pessoa física)

US

Technical data

Priority claims

US

218,715 · 07/13/1988

US

360,625 · 06/02/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Arquivamento por falta de pagamento

#8.6

Referente a 7ª 8ª, 9ª e 10ª anuidade

03/21/2000

RPI 1524

8.1

Referente a 7ª, 8ª e 9ª anuidade

12/01/1998

RPI 1456

Exigência - art. 36 da LPI

#6.1

04/02/1996

RPI 1322

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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