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Official data from INPI

PELÍCULA FLEXÍVEL, PELÍCULA FLEXÍVEL DE MÚLTIPLAS CAMADAS, LAMINADO FLEXÍVEL E BOLSA FLEXÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8503523

Type

Invention Patent

Filing

07/24/1985

Publication

12/09/1986

Progress at the INPI

  1. Filing07/24/85
  2. Publication12/09/86
  3. Examination10/04/88
  4. Allowance09/13/94
  5. Grant05/30/95
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co. - Conn

US

See this company's full portfolio

Inventors

W. M. (pessoa física)

US

Technical data

Priority claims

US

728.114 · 04/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/01/1985

RPI 780

Carta-patente expirada

#21.1

Patente extinta em 24/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

Exigência - art. 36 da LPI

#6.1

07/20/1993

RPI 1181

Conhecimento de parecer técnico

#7.1

12/10/1991

RPI 1097

14.4

09/25/1990

RPI 1034

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