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Official data from INPI

COMANDO DE GRUPO PARA ELEVADORES, COM DISTRIBUIÇÃO IMEDIATA DE CHAMADAS DE DESTINO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904393

Type

Invention Patent

Filing

08/31/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/31/89
  2. Publication04/17/90
  3. Examination11/20/90
  4. Allowance05/05/98
  5. Grant11/24/98
  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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inventio Ag

CH

See this company's full portfolio

Inventors

P. F. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

03 0275/88 · 09/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/08/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

05/05/1998

RPI 1428

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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