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Official data from INPI

PELÍCULA POLIMÉRICA, ORIENTADA, DE MÚLTIPLAS CAMADAS, PARA EMBALAR QUEIJO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102053

Type

Invention Patent

Filing

05/17/1991

Publication

12/24/1991

Progress at the INPI

  1. Filing05/17/91
  2. Publication12/24/91
  3. Examination01/11/94
  4. Allowance05/29/01
  5. Grant09/18/01
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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

G. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

525.416 · 05/17/1990

US

652.761 · 02/08/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/09/2011

06/04/2013

RPI 2213

Transferência deferida

#25.1

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

10/23/2001

RPI 1607

Concessão da patente

#16.1

09/18/2001

RPI 1602

Deferimento

#9.1

05/29/2001

RPI 1586

Exigência - art. 36 da LPI

#6.1

06/13/2000

RPI 1536

Conhecimento de parecer técnico

#7.1

07/13/1999

RPI 1488

Solicitação de exame técnico

#4.1

01/11/1994

RPI 1206

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

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