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Official data from INPI

DISPOSITIVO E PROCESSO PARA A CAPTAÇÃO DE UMA CORRENTE DE PRODUÇÃO

Arquivada/ExtintaInvention PatentPCT · CH1991000025

Application data

Number

PI9104262

Type

Invention Patent

Filing

01/30/1991

Publication

03/03/1992

PCT

CH1991000025

Progress at the INPI

  1. Filing01/30/91
  2. Publication03/03/92
  3. Examination03/16/93
  4. Allowance12/17/96
  5. Grant09/30/97
  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

Buehler AG

CH

See this company's full portfolio

Inventors

B. G. (pessoa física)

CH

P. N. (pessoa física)

CH

R. W. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

00 349/90 · 02/02/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/01/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

12/17/1996

RPI 1359

Exigência - art. 36 da LPI

#6.1

01/02/1996

RPI 1309

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

03/03/1992

RPI 1109

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