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Official data from INPI

PELÍCULA CONTRAÍVEL DE MÚLTIPLAS CAMADAS, SACO E INVÓLUCRO

IndeferidaInvention Patent

Application data

Number

PI9003944

Type

Invention Patent

Filing

08/10/1990

Publication

09/03/1991

Progress at the INPI

Under appeal
  1. Filing08/10/90
  2. Publication09/03/91
  3. Examination09/21/93
  4. Refused02/06/01
  5. Grant
  6. In force

The application was refused by the INPI on 02/06/2001. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/06/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.- Conn

US

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Inventors

S. F. (pessoa física)

US

T. O. (pessoa física)

US

Technical data

Priority claims

US

392.810 · 08/11/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido com base no Art. 8º da LPI.

02/06/2001

RPI 1570

Conhecimento de parecer técnico

#7.1

05/02/2000

RPI 1530

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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