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Official data from INPI

PELÍCULA DE MÚLTIPLAS CAMADAS E PROCESSO PARA SUA PRODUÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101122

Type

Invention Patent

Filing

03/22/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/22/91
  2. Publication11/05/91
  3. Examination11/16/93
  4. Allowance02/13/02
  5. Grant07/23/02
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cryovac, Inc.

US

W.R. Grace & Co.- Conn

US

See this company's full portfolio

Inventors

S. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

498.175 · 03/23/1990

US

640.200 · 01/10/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/07/2012

05/28/2013

RPI 2212

Concessão da patente

#16.1

07/23/2002

RPI 1646

Deferimento

#9.1

02/13/2002

RPI 1623

Transferência deferida

#25.1

Transferido de: W. R. Grace & Co.- CONN

11/13/2001

RPI 1610

Exigência - art. 36 da LPI

#6.1

02/06/2001

RPI 1570

Conhecimento de parecer técnico

#7.1

01/11/2000

RPI 1514

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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