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Official data from INPI

MATERIAL PARA MARCAÇÃO DE PAVIMENTOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101317

Type

Invention Patent

Filing

04/02/1991

Publication

11/26/1991

Progress at the INPI

  1. Filing04/02/91
  2. Publication11/26/91
  3. Examination11/16/93
  4. Allowance08/26/97
  5. Grant09/29/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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

J. H. (pessoa física)

US

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/504,951 · 04/05/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/04/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

08/26/1997

RPI 1395

Conhecimento de parecer técnico

#7.1

12/03/1996

RPI 1357

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

09/17/1991

RPI 1085

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