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Official data from INPI

SISTEMA DE ESTABILIZAÇÃO DE CONTROLE DE VELOCIDADE DE ELEVADOR

Em AnáliseInvention Patent

Application data

Number

PI8404053

Type

Invention Patent

Filing

08/14/1984

Publication

07/16/1985

Progress at the INPI

  1. Filing08/14/84
  2. Publication07/16/85
  3. Examination07/28/87
  4. Allowance05/16/89
  5. Grant01/09/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elevator GmbH

CH

See this company's full portfolio

Inventors

M. K. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

832946 · 08/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

10/25/1988

RPI 940

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

20.10

11/25/1986

RPI 840

Pedido de licença compulsória

#20.1

10/07/1986

RPI 833

Publicação do pedido de patente

#3.1

07/16/1985

RPI 769

Pedido de patente depositado

#2.1

10/16/1984

RPI 730

Carta-patente expirada

#21.1

Patente extinta em 14/08/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

01/09/1990

RPI 1001

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