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Official data from INPI

PROCESSO E APARELHO APERFEIÇOADOS PARA MISTURAR UM GÁS E UM LÍQUIDO EM UM RECIPIENTE DE MISTURAR SOB CONDIÇÕES NAS QUAIS A PROFUNDIDADE DO LÍQUIDO MUDA DURANTE A OPERAÇÃO DE MISTURA.

ArquivadaInvention Patent

Application data

Number

PI9101672

Type

Invention Patent

Filing

04/25/1991

Publication

12/10/1991

Progress at the INPI

  1. Filing04/25/91
  2. Publication12/10/91
  3. Abandoned09/08/93
  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: 06/15/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

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Inventors

J. K. (pessoa física)

US

L. L. (pessoa física)

US

M. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

514.937 · 04/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

06/15/1999

RPI 1484

Exigência - art. 36 da LPI

#6.1

07/14/1998

RPI 1438

Solicitação de exame técnico

#4.1

09/08/1993

RPI 1188

14.4

05/25/1993

RPI 1173

14.7

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

12/10/1991

RPI 1097

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