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Official data from INPI

VEDAÇÃO DE EIXO

Em AnáliseInvention Patent

Application data

Number

PI8500272

Type

Invention Patent

Filing

01/22/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing01/22/85
  2. Publication04/15/86
  3. Examination08/05/86
  4. Allowance12/29/87
  5. Grant08/28/90
  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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carl Freudenberg, firma alemã

DE

See this company's full portfolio

Inventors

H. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 18 738.3 · 05/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

04/12/1988

RPI 912

Deferimento

#9.1

12/29/1987

RPI 897

Pedido de certificado de adição de invenção

#5.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

Carta-patente expirada

#21.1

Patente extinta em 22/01/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/28/1990

RPI 1030

110

03/13/1990

RPI 1009

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