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Official data from INPI

SISTEMA DE ELEVADOR, PROCESSO PARA DESPACHAR ELEVADORES, CONTROLADOR DE ELEVADOR E ELEVADOR

PublicadaInvention Patent

Application data

Number

PI8900597

Type

Invention Patent

Filing

02/10/1989

Publication

10/10/1989

Progress at the INPI

  1. Filing02/10/89
  2. Publication10/10/89
  3. Examination07/09/91
  4. Allowance05/12/98
  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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Otis Elevator Company

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

US

K. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

157,542 · 02/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 10/02/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

05/12/1998

RPI 1429

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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