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Official data from INPI

PELÍCULA ORIENTADA DE MÚLTIPLAS CAMADAS E PROCESSO PARA SUA PRODUÇÃO

PublicadaInvention Patent

Application data

Number

PI8703127

Type

Invention Patent

Filing

06/22/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/22/87
  2. Publication03/08/88
  3. Examination09/25/90
  4. Allowance09/26/95
  5. Grant04/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/08/1988. 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

880.259 · 06/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 22/06/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

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

06/12/2001

RPI 1588

Concessão da patente

#16.1

04/30/1996

RPI 1326

Republicação - classificação IPC

#15.11

10/24/1995

RPI 1299

Deferimento

#9.1

09/26/1995

RPI 1295

Exigência - art. 36 da LPI

#6.1

01/10/1995

RPI 1258

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Conhecimento de parecer técnico

#7.1

08/31/1993

RPI 1187

14.4

04/30/1991

RPI 1065

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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