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Official data from INPI

ANEL VEDANTE DE ÁRVORE RADIAL E PROCESSO PARA SUA FABRICAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8602588

Type

Invention Patent

Filing

06/04/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing06/04/86
  2. Publication03/17/87
  3. Examination06/23/87
  4. Allowance12/26/90
  5. Grant07/30/91
  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: 06/23/1987. 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. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 26 424.1 · 07/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Carta-patente expirada

#21.1

Patente extinta em 04/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

04/09/1991

RPI 1062

Deferimento

#9.1

12/26/1990

RPI 1047

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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