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Official data from INPI

PELÍCULA DE MÚLTIPLAS CAMADAS.

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905825

Type

Invention Patent

Filing

11/17/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/17/89
  2. Publication06/12/90
  3. Examination08/04/92
  4. Allowance12/30/97
  5. Grant08/25/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cryovac, Inc.

US

W. R. Grace & Co -Conn

US

Zeneca Limited

GB

See this company's full portfolio

Inventors

W. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

273.385 · 11/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/11/2009

12/26/2012

RPI 2190

Republicação - titular

#25.11

Transferido de: W. R. Grace & Co. Conn - Referência RPI 1590 de 26/06/2001 - cód. 25.1 - ítem (71)

09/18/2001

RPI 1602

Transferência deferida

#25.1

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

06/26/2001

RPI 1590

Concessão da patente

#16.1

08/25/1998

RPI 1444

9.1.4

01/06/1998

RPI 1411

Deferimento

#9.1

12/30/1997

RPI 1410

Exigência - art. 36 da LPI

#6.1

05/27/1997

RPI 1382

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

08/04/1992

RPI 1131

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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