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Official data from INPI

PROCESSO E MÁQUINA PARA A CLASSIFICAÇÃO DE MATERIAIS GRANULARES

Em ExigênciaInvention Patent

Application data

Number

PI8306997

Type

Invention Patent

Filing

12/20/1983

Publication

07/24/1984

Progress at the INPI

  1. Filing12/20/83
  2. Publication07/24/84
  3. Examination06/03/86
  4. Allowance01/29/91
  5. Grant08/27/91
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gunson's Sortex Limited

Gunsons's Sortex Limited, companhia inglesa

GB

Illycaffe'S.p.A.

IT

Illycaffé S.p.A.

IT

Inventors

E. I. (pessoa física)

IT

W. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

IT

24875 A/82 · 12/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

07/24/1984

RPI 718

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

Carta-patente expirada

#21.1

Patente extinta em 20/12/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/29/1991

RPI 1052

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