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Official data from INPI

TRATAMENTO DE MEMBRANAS PERMEÁVEIS

ArquivadaInvention PatentPCT · US1988003800

Application data

Number

PI8807280

Type

Invention Patent

Filing

10/31/1988

Publication

02/13/1990

PCT

US1988003800

Progress at the INPI

  1. Filing10/31/88
  2. Publication02/13/90
  3. Abandoned07/31/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

B. B. (pessoa física)

US

S. G. (pessoa física)

US

Technical data

Priority claims

US

115.927 · 11/02/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 13/04.

03/27/2018

RPI 2464

11.31

04/22/1998

RPI 1426

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

Retificação

#15.3

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

07/31/1990

RPI 1026

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1990

RPI 1006

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