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Official data from INPI

PROCESSO E DISPOSITIVO PARA SEPARAÇÃO DE MISTURA GRANULADA

Arquivada/ExtintaInvention PatentPCT · EP1988001078

Application data

Number

PI8807330

Type

Invention Patent

Filing

11/28/1988

Publication

03/01/1990

PCT

EP1988001078

Progress at the INPI

  1. Filing11/28/88
  2. Publication03/01/90
  3. Examination08/14/90
  4. Allowance09/06/94
  5. Grant05/30/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Buhler Ag

CH

See this company's full portfolio

Inventors

R. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1110/88 · 03/24/1988

CH

4626/87 · 11/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Exigência - art. 36 da LPI

#6.1

08/24/1993

RPI 1186

14.4

01/29/1991

RPI 1052

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

Notificação de entrada na fase nacional - PCT

#1.3

03/01/1990

RPI 1007

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