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Official data from INPI

ESTRUTURA TURBILIONAR DE VÁRIOS ESTÁGIOS

Arquivada/ExtintaInvention PatentPCT · CH1990000026

Application data

Number

PI9005768

Type

Invention Patent

Filing

02/09/1990

Publication

08/06/1991

PCT

CH1990000026

Progress at the INPI

  1. Filing02/09/90
  2. Publication08/06/91
  3. Examination04/06/93
  4. Allowance08/10/99
  5. Grant05/30/00
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. A. (pessoa física)

DE

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Inventors

D. W. (pessoa física)

DE

Technical data

Priority claims

DE

P 39 07 573.7 · 03/09/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/05/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

05/30/2000

RPI 1534

Deferimento

#9.1

08/10/1999

RPI 1492

Conhecimento de parecer técnico

#7.1

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

04/06/1993

RPI 1166

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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