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Official data from INPI

PROCESSO DE CONTROLE DE ESPUMA EM UM SISTEMA DE ESPUMAÇÃO ÁCIDO AQUOSO E COMPOSIÇÃO DE AGENTE CONTROLADOR DE ESPUMA

Em AnáliseInvention Patent

Application data

Number

PI8706713

Type

Invention Patent

Filing

12/10/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing12/10/87
  2. Publication07/19/88
  3. Abandoned11/08/88
  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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

H. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

940.686 · 12/11/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/08/1988

RPI 942

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Republicação - classificação IPC

#15.11

09/26/1995

RPI 1295

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

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