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Official data from INPI

SISTEMA DE BATERIA E MEMBRANA DE SEPARADOR

PublicadaInvention Patent

Application data

Number

PI8705492

Type

Invention Patent

Filing

10/14/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing10/14/87
  2. Publication05/24/88
  3. Abandoned02/13/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W R Grace & Co

US

W R Grace & Co. - Conn

US

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Inventors

J. K. (pessoa física)

US

R. G. (pessoa física)

US

W. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

919.109 · 10/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

14.4

08/28/1990

RPI 1030

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