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Official data from INPI

DISCO DE ACABAMENTO DE PINTURA E PROCESSO PARA APLICAR MATERIAL DE ABRILHANTAMENTO E PRODUTO DE APRESTO À UMA SUPERFÍCIE PINTADA PARA REMOVER IMPERFEIÇÕES AO LONGO DE E POLIR A SUPERFÍCIE PINTADA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000178

Type

Invention Patent

Filing

01/17/1990

Publication

11/06/1990

Progress at the INPI

  1. Filing01/17/90
  2. Publication11/06/90
  3. Examination03/30/93
  4. Allowance12/03/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

R. E. (pessoa física)

US

T. S. (pessoa física)

US

Technical data

Priority claims

US

298,508 · 01/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/01/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Deferimento

#9.1

12/03/1996

RPI 1357

6.2

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Publicação do pedido de patente

#3.1

11/06/1990

RPI 1040

Pedido de patente depositado

#2.1

06/19/1990

RPI 1023

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