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Official data from INPI

DISPOSITIVO PARA ELIMINAÇÃO DE ESPUMA FORMADA NA SUPERFÍCIE DE UMA SUSPENSÃO DE EFLUENTES E LODO VIVO

PublicadaInvention Patent

Application data

Number

PI8805302

Type

Invention Patent

Filing

10/07/1988

Publication

05/30/1989

Progress at the INPI

  1. Filing10/07/88
  2. Publication05/30/89
  3. Abandoned01/09/90
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Borsig GmbH

DE

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Inventors

H. T. (pessoa física)

R. O. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3735080.3 · 10/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Arquivamento - Art. 36 §1° da LPI

#11.2

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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