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Official data from INPI

ARTIGO ABRASIVO MOLDADO QUE COMPREENDE PARTÍCULAS ABRASIVAS DISPERSAS NUMA MATRIZ DE AGLUTINANTE DE POLIMETANO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001578

Type

Invention Patent

Filing

04/04/1990

Publication

04/30/1991

Progress at the INPI

  1. Filing04/04/90
  2. Publication04/30/91
  3. Examination08/24/93
  4. Allowance05/26/98
  5. Grant11/24/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. 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

L. M. (pessoa física)

US

Technical data

Priority claims

US

07/333,036 · 04/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/04/2010

01/08/2013

RPI 2192

Republicação - classificação IPC

#15.11

ALTERADA DE C08G 18/00

12/08/1998

RPI 1457

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

05/26/1998

RPI 1431

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

15.18

10/05/1993

RPI 1192

Solicitação de exame técnico

#4.1

08/24/1993

RPI 1186

15.9

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

04/30/1991

RPI 1065

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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