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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA INTRODUZIDA EM CADEIRAS

Arquivada/ExtintaUtility Model

Application data

Number

MU7000006

Type

Utility Model

Filing

01/04/1990

Publication

07/30/1991

Progress at the INPI

  1. Filing01/04/90
  2. Publication07/30/91
  3. Examination09/14/93
  4. Allowance07/19/94
  5. Grant07/25/95
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wilkhahn Wilkening + Hahne GmbH + CO

DE

Inventors

K. F. (pessoa física)

DE

W. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 3900220.9 · 01/05/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/01/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

9.1.3

11/29/1994

RPI 1252

Deferimento

#9.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

09/14/1993

RPI 1189

Publicação do pedido de patente

#3.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

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