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Official data from INPI

MATERIAL LAMINADO IMPERMEÁVEL A ÁGUA E PROCESSO PARA PREPARAR O MESMO

Em AnáliseInvention Patent

Application data

Number

PI8501043

Type

Invention Patent

Filing

03/08/1985

Publication

10/29/1985

Progress at the INPI

  1. Filing03/08/85
  2. Publication10/29/85
  3. Examination12/08/87
  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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

F. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

588.038 · 03/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

10/29/1985

RPI 784

Pedido de patente depositado

#2.1

05/28/1985

RPI 762

Carta-patente expirada

#21.1

Patente extinta em 08/03/2000

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

09/29/1992

RPI 1139

Exigência - art. 36 da LPI

#6.1

02/04/1992

RPI 1105

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