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Official data from INPI

LIMITADOR DE VELOCIDADE PARA ELEVADORES MUNIDO DE UM FECHO.

ConcedidaInvention Patent

Application data

Number

PI8406487

Type

Invention Patent

Filing

12/17/1984

Publication

10/15/1985

Progress at the INPI

  1. Filing12/17/84
  2. Publication10/15/85
  3. Examination10/06/87
  4. Allowance05/24/88
  5. Grant12/27/88
  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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elevator GmbH

CH

See this company's full portfolio

Inventors

H. W. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

4403/83 · 12/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/24/1988

RPI 918

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 17/12/99

07/08/2008

RPI 1957

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