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Official data from INPI

Sistema de drenagem a vácuo

Arquivada/ExtintaInvention PatentPCT · EP1990000349

Application data

Number

PI9007184

Type

Invention Patent

Filing

03/02/1990

Publication

12/10/1991

PCT

EP1990000349

Progress at the INPI

  1. Filing03/02/90
  2. Publication12/10/91
  3. Examination03/16/93
  4. Allowance05/27/97
  5. Grant07/28/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. H. (pessoa física)

NO

Inventors

O. H. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

890927 · 03/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/03/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

05/27/1997

RPI 1382

Exigência - art. 36 da LPI

#6.1

07/02/1996

RPI 1335

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

12/10/1991

RPI 1097

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