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Official data from INPI

Cascata de coluna, de múltiplos estágios com câmaras de revolvimento sem misturador, destinada a sistemas homogêneos, líquidos ou gasosos.

Arquivada/ExtintaInvention Patent

Application data

Number

PI8008893

Type

Invention Patent

Filing

10/24/1980

Publication

-

Progress at the INPI

  1. Filing10/24/80
  2. Publication
  3. Abandoned09/13/83
  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: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

S. G. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 29 44 329.6 · 11/02/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/02/1986

RPI 841

8.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

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