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Official data from INPI

DISPOSITIVO DE DISTRIBUIÇÃO COM VAZÃO REGULADA DE UM MATERIAL PULVERULENTO FLUIDIZÁVEL

ConcedidaInvention Patent

Application data

Number

PI8600028

Type

Invention Patent

Filing

01/07/1986

Publication

09/23/1986

Progress at the INPI

  1. Filing01/07/86
  2. Publication09/23/86
  3. Examination06/16/87
  4. Allowance04/04/89
  5. Grant09/26/89
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

Inventors

J. V. (pessoa física)

FR

J. H. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8500469 · 01/08/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

08/01/1989

RPI 980

Deferimento

#9.1

04/04/1989

RPI 963

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

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 07/01/2001

07/22/2008

RPI 1959

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