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Official data from INPI

APARELHO E PROCESSO PARA ONDULAÇÀO DE UMA TIRA

Prazo de SigiloInvention Patent

Application data

Number

PI8901882

Type

Invention Patent

Filing

04/20/1989

Publication

04/10/1990

Progress at the INPI

  1. Filing04/20/89
  2. Publication04/10/90
  3. Examination06/16/92
  4. Allowance10/13/93
  5. Grant05/31/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

Johnson & Johnson, Inc

CA

See this company's full portfolio

Inventors

M. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

184.516 · 04/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 20/04/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

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