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Official data from INPI

DISTRIBUIDOR PARA LIBERAÇAO DE UMA FORMULAÇAO DE AGENTE BENÉFICO A UM AMBIENTE DE USO.

Em AnáliseInvention Patent

Application data

Number

PI8603860

Type

Invention Patent

Filing

08/13/1986

Publication

03/24/1987

Progress at the INPI

  1. Filing08/13/86
  2. Publication03/24/87
  3. Examination01/03/89
  4. Allowance07/20/93
  5. Grant02/16/94
  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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

J. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

766.372 · 08/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

03/24/1987

RPI 857

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Carta-patente expirada

#21.1

Patente extinta em 13/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/16/1994

RPI 1211

Deferimento

#9.1

07/20/1993

RPI 1181

Conhecimento de parecer técnico

#7.1

12/22/1992

RPI 1151

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