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Official data from INPI

INSTALAÇÃO DE REGULAGEM DE CHEGADA PARA UM ELEVADOR

Em AnáliseInvention Patent

Application data

Number

PI8802834

Type

Invention Patent

Filing

06/10/1988

Publication

01/03/1989

Progress at the INPI

  1. Filing06/10/88
  2. Publication01/03/89
  3. Examination04/04/89
  4. Allowance05/27/97
  5. Grant01/21/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. A. (pessoa física)

CH

See this company's full portfolio

Inventors

K. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

CH

2 210/87 · 06/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/04/1989

RPI 963

Publicação do pedido de patente

#3.1

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Carta-patente expirada

#21.1

Patente extinta em 10/06/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

01/21/1998

RPI 1413

Deferimento

#9.1

05/27/1997

RPI 1382

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