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Official data from INPI

PASTILHA PROPORCIONANDO FOLHAS TRANSVERSAIS DE MEMBRANA SEMIPERMEÁVEL, APARELHO PARA SEPARAÇÃO DE FLUIDO, PROCESSO PARA SEPARAÇÃO DE FLUXOS DE ALIMENTAÇÃO DE FLUIDO E PROCESSO PARA FABRICAÇÃO DE PASTILHAS DE SEPARAÇÃO

ArquivadaInvention Patent

Application data

Number

PI9003535

Type

Invention Patent

Filing

07/20/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/20/90
  2. Publication08/27/91
  3. Abandoned12/17/91
  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.

Talk to a specialist

Latest action published by the INPI: 02/01/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Standard Oil Company

US

See this company's full portfolio

Inventors

R. N. (pessoa física)

Technical data

Priority claims

US

383,742 · 07/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/01/2000

RPI 1517

Exigência - art. 36 da LPI

#6.1

03/23/1999

RPI 1472

Exigência - art. 36 da LPI

#6.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/22/1991

RPI 1051

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