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Official data from INPI

PROCESSO E APARELHO PARA PRODUÇÃO DE UMA PELÍCULA POLIMÉRICA ORIENTADA FINA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003666

Type

Invention Patent

Filing

07/27/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/27/90
  2. Publication08/27/91
  3. Examination11/26/91
  4. Allowance10/06/98
  5. Grant06/01/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. 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

H. S. (pessoa física)

US

Technical data

Priority claims

US

387.056 · 07/28/1989

US

494.699 · 03/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/07/2010

01/22/2013

RPI 2194

Transferência deferida

#25.1

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

06/26/2001

RPI 1590

Concessão da patente

#16.1

06/01/1999

RPI 1482

Deferimento

#9.1

10/06/1998

RPI 1450

Exigência - art. 36 da LPI

#6.1

02/25/1998

RPI 1418

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

02/05/1991

RPI 1053

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