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Official data from INPI

PROCESSO E DISPOSITIVOS PARA VIGIAR A ÁREA EM FRENTE DA PORTA DE UM ELEVADOR

DeferidaInvention Patent

Application data

Number

PI8504901

Type

Invention Patent

Filing

10/04/1985

Publication

07/22/1986

Progress at the INPI

  1. Filing10/04/85
  2. Publication07/22/86
  3. Examination10/21/86
  4. Allowance09/19/89
  5. Grant05/29/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elevator GmbH

CH

See this company's full portfolio

Inventors

N. R. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

843923 · 10/05/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

Solicitação de exame técnico

#4.1

10/21/1986

RPI 835

Publicação do pedido de patente

#3.1

07/22/1986

RPI 822

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Carta-patente expirada

#21.1

Patente extinta em 04/10/2000

07/15/2008

RPI 1958

Republicação - classificação IPC

#15.11

06/25/1991

RPI 1073

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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