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Official data from INPI

APLICADOR COM MECHA

Em AnáliseInvention Patent

Application data

Number

PI8701956

Type

Invention Patent

Filing

04/24/1987

Publication

02/02/1988

Progress at the INPI

  1. Filing04/24/87
  2. Publication02/02/88
  3. Examination07/12/88
  4. Allowance03/05/91
  5. Grant09/24/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chesebrough-Pond's Inc.

US

See this company's full portfolio

Inventors

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

855.669 · 04/25/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 24/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/18/1991

RPI 1072

Deferimento

#9.1

03/05/1991

RPI 1057

Exigência - art. 36 da LPI

#6.1

10/30/1990

RPI 1039

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