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Official data from INPI

MÁQUINA DE ELEVADOR

Prazo de SigiloInvention Patent

Application data

Number

PI8903334

Type

Invention Patent

Filing

07/06/1989

Publication

02/13/1990

Progress at the INPI

  1. Filing07/06/89
  2. Publication02/13/90
  3. Examination11/06/90
  4. Allowance09/01/98
  5. Grant12/29/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kone Elevator GmbH

CH

See this company's full portfolio

Inventors

U. H. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

883245 · 07/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/24/1989

RPI 992

Carta-patente expirada

#21.1

Patente extinta em 06/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

09/01/1998

RPI 1445

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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