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Official data from INPI

PROCESSO PARA FORMAR UMA GAXETA EM UMA TAMPA DE GARRAFA; COMPOSIÇÃO TERMOPLÁSTICA PARA FORMAR UMA GAXETA PARA TAMPA DE GARRAFA; E TAMPA PARA GARRAFA CONTENDO UMA GAXETA.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104174

Type

Invention Patent

Filing

09/27/1991

Publication

06/02/1992

Progress at the INPI

  1. Filing09/27/91
  2. Publication06/02/92
  3. Examination03/02/93
  4. Allowance01/21/98
  5. Grant10/27/98
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R.Grace & Co.-Conn

US

See this company's full portfolio

Inventors

S. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

9021167.3 · 09/28/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/09/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

10/27/1998

RPI 1451

Deferimento

#9.1

01/21/1998

RPI 1413

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Solicitação de exame técnico

#4.1

03/02/1993

RPI 1161

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

11/05/1991

RPI 1092

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