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Official data from INPI

APARELHAGEM PARA A PREPARAÇÃO DE COMPOSIÇÕES LÍQUIDAS DESTINADAS A SEREM PULVERIZADAS SOBRE OS VÉUS OU FELTROS DE FIBRAS MINERAIS

Em AnáliseInvention Patent

Application data

Number

PI8604494

Type

Invention Patent

Filing

09/19/1986

Publication

05/19/1987

Progress at the INPI

  1. Filing09/19/86
  2. Publication05/19/87
  3. Examination07/25/89
  4. Allowance01/10/95
  5. Grant06/27/95
  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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

FR

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Inventors

J. C. (pessoa física)

FR

M. H. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85 14182 · 09/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/25/1989

RPI 979

Publicação do pedido de patente

#3.1

05/19/1987

RPI 865

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Carta-patente expirada

#21.1

Patente extinta em 19/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

06/27/1995

RPI 1282

Deferimento

#9.1

01/10/1995

RPI 1258

Conhecimento de parecer técnico

#7.1

12/01/1992

RPI 1148

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