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Official data from INPI

PELÍCULA TERMOPLÁSTICA ORIENTADA, COM CAMADAS MÚLTIPLAS, E PROCESSO PARA A SUAFABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8601876

Type

Invention Patent

Filing

04/25/1986

Publication

03/10/1987

Progress at the INPI

  1. Filing04/25/86
  2. Publication03/10/87
  3. Examination01/10/89
  4. Allowance09/21/93
  5. Grant03/29/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 01/10/1989. 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

750.705 · 06/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Carta-patente expirada

#21.1

Patente extinta em 25/04/2001

07/22/2008

RPI 1959

Transferência deferida

#25.1

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

06/12/2001

RPI 1588

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

09/21/1993

RPI 1190

Exigência - art. 36 da LPI

#6.1

11/17/1992

RPI 1146

14.4

09/25/1990

RPI 1034

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