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Official data from INPI

PROCESSO PARA O CONTROLE DE UMA PLURALIDADE DE CABINES DE ELEVADOR E SISTEMA DE CONTROLE PARA O CONTROLE DE UMA PLURALIDADE DE CABINES DE ELEVADOR

PublicadaInvention Patent

Application data

Number

PI8805347

Type

Invention Patent

Filing

10/14/1988

Publication

06/13/1989

Progress at the INPI

  1. Filing10/14/88
  2. Publication06/13/89
  3. Examination08/06/91
  4. Allowance06/02/98
  5. Grant11/24/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inventio Ag

CH

W. C. (pessoa física)

US

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Inventors

J. C. (pessoa física)

US

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

109.638 · 10/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/13/1989

RPI 973

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Carta-patente expirada

#21.1

Patente extinta em 24/11/2008

12/18/2012

RPI 2189

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

06/02/1998

RPI 1432

14.1

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

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