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Official data from INPI

FRALDA DESCARTÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8601858

Type

Invention Patent

Filing

04/24/1986

Publication

12/30/1986

Progress at the INPI

  1. Filing04/24/86
  2. Publication12/30/86
  3. Examination02/21/89
  4. Allowance07/27/93
  5. Grant02/16/94
  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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

F. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

727.477 · 04/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

11/04/1986

RPI 837

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 5/22; B32B 27/32; A41B 13/02.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 24/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/16/1994

RPI 1211

Deferimento

#9.1

07/27/1993

RPI 1182

Exigência - art. 36 da LPI

#6.1

09/29/1992

RPI 1139

6.2

01/02/1990

RPI 1000

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