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Official data from INPI

PROCESSO DE MONTAGEM DE UM ELEVADOR E ELEVADOR OBTIDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906677

Type

Invention Patent

Filing

12/21/1989

Publication

09/11/1990

Progress at the INPI

  1. Filing12/21/89
  2. Publication09/11/90
  3. Examination01/29/91
  4. Allowance07/07/92
  5. Grant08/31/93
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Otis Elevator Company

US

See this company's full portfolio

Inventors

D. B. (pessoa física)

FR

J. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88 17003 · 12/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/31/1993

RPI 1187

15.17

03/16/1993

RPI 1163

Deferimento

#9.1

07/07/1992

RPI 1127

Deferimento (variante)

#9.1.2

07/07/1992

RPI 1127

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

Publicação do pedido de patente

#3.1

09/11/1990

RPI 1032

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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