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Official data from INPI

DISPOSITIVO DE INJEÇÃO PARA A DEPURAÇÃO POR VIA ÚMIDA ON-LINE DE COMPRESSORES

Arquivada/ExtintaInvention PatentPCT · CH1991000035

Application data

Number

PI9105241

Type

Invention Patent

Filing

02/08/1991

Publication

08/04/1992

PCT

CH1991000035

Progress at the INPI

  1. Filing02/08/91
  2. Publication08/04/92
  3. Examination03/16/93
  4. Allowance04/22/98
  5. Grant11/24/98
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Turbotect Ag

CH

Inventors

R. R. (pessoa física)

CH

S. K. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

480/90 · 02/14/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/02/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/22/1998

RPI 1426

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1992

RPI 1131

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