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Official data from INPI

PROCESSO PARA APLICAR UMA TINTA DE MÚLTIPLAS CAMADAS CONTENDO UM PIGMENTO DE MICA

DeferidaInvention Patent

Application data

Number

PI8406629

Type

Invention Patent

Filing

12/20/1984

Publication

10/15/1985

Progress at the INPI

  1. Filing12/20/84
  2. Publication10/15/85
  3. Examination05/13/86
  4. Allowance07/11/89
  5. Grant01/09/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

D. V. (pessoa física)

US

J. G. (pessoa física)

US

S. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

563.831 · 12/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

07/11/1989

RPI 977

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

14.4

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 20/12/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

01/09/1990

RPI 1001

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