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Official data from INPI

MICROTELAS DE MICROFIBRAS, TELA NÃO TECIDA, PROCESSO PARA A PRODUÇÃO DAS DITAS MICROTELAS, MATERIAIS SORVENTES, FRALDA DESCARTÁVEL, DISPOSITIVO CATAMENTAL, DISPOSITIVO PARA INCONTINÊNCIA, BANDAGEM CIRÚRGICA, E ARTIGO PERFILADO

PublicadaInvention Patent

Application data

Number

PI8706719

Type

Invention Patent

Filing

12/11/1987

Publication

03/28/1989

Progress at the INPI

  1. Filing12/11/87
  2. Publication03/28/89
  3. Examination07/09/91
  4. Allowance10/27/98
  5. Grant06/29/99
  6. Expired12/11/12

The letters patent expired on 12/11/2012: 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: 03/28/1989. 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

T. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

091.730 · 09/01/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/28/1989

RPI 962

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 29/06/2009

12/11/2012

RPI 2188

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

10/27/1998

RPI 1451

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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