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Official data from INPI

CONTAINER TENDO RIGIDEZ ESTRUTURAL, CONTAINER PARA ARMAZENAGEM E EMBARQUE DE MATERIAIS LÍQUIDOS PREJUDICIAIS E PROCESSO PARA PREPARAÇÃO DE UM ARTIGO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001639

Type

Invention Patent

Filing

04/06/1990

Publication

05/07/1991

Progress at the INPI

  1. Filing04/06/90
  2. Publication05/07/91
  3. Examination07/20/93
  4. Allowance04/14/98
  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

T. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

335.202 · 04/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/14/1998

RPI 1425

Exigência - art. 36 da LPI

#6.1

03/25/1997

RPI 1373

6.2

03/28/1995

RPI 1269

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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