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Official data from INPI

PROCESSO, E SISTEMA, PARA O TRANSPORTE DE GÁS E LÍQUIDO OU MEIOS SÓLIDOS E SEPRAÇÃO DOS MESMOS

Arquivada/ExtintaInvention PatentPCT · NO1989000123

Application data

Number

PI8907210

Type

Invention Patent

Filing

11/28/1989

Publication

03/05/1991

PCT

NO1989000123

Progress at the INPI

  1. Filing11/28/89
  2. Publication03/05/91
  3. Examination10/01/91
  4. Allowance01/18/94
  5. Grant11/28/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

NO

Inventors

K. B. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

88 5302 · 11/28/1988

NO

89 1194 · 03/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

11/28/1995

RPI 1304

110

09/12/1995

RPI 1293

Recurso

#12.1

04/19/1994

RPI 1220

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

10/01/1991

RPI 1087

Notificação de entrada na fase nacional - PCT

#1.3

03/05/1991

RPI 1057

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