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Official data from INPI

VEDAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8503756

Type

Invention Patent

Filing

08/08/1985

Publication

12/09/1986

Progress at the INPI

  1. Filing08/08/85
  2. Publication12/09/86
  3. Examination03/31/87
  4. Allowance07/18/89
  5. Grant02/06/90
  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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carl Freudenberg, firma alemà

DE

See this company's full portfolio

Inventors

A. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3501334.6 · 01/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

Carta-patente expirada

#21.1

Patente extinta em 08/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/06/1990

RPI 1005

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