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Official data from INPI

APARELHO PARA RECUPERAR MATERIAL SÓLIDO A GRANEL

DeferidaInvention Patent

Application data

Number

PI8600048

Type

Invention Patent

Filing

01/08/1986

Publication

09/23/1986

Progress at the INPI

  1. Filing01/08/86
  2. Publication09/23/86
  3. Examination04/22/87
  4. Allowance10/03/89
  5. Grant06/26/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The CSL Group, Inc.

CA

Inventors

W. J. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

473.025 · 01/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

09/23/1986

RPI 831

Pedido de patente depositado

#2.1

04/22/1986

RPI 809

Carta-patente expirada

#21.1

Patente extinta em 08/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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