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Official data from INPI

SISTEMA SINALIZADOR DE SENTIDO DE DESLOCAMENTO DE UM CARRO DE ELEVADOR

PublicadaInvention Patent

Application data

Number

PI8801330

Type

Invention Patent

Filing

03/18/1988

Publication

10/17/1989

Progress at the INPI

  1. Filing03/18/88
  2. Publication10/17/89
  3. Examination08/07/90
  4. Allowance05/23/95
  5. Grant03/26/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elevadores Atlas S/A

SP, BR

Indústrias Villares S/A

SP, BR

See this company's full portfolio

Inventors

J. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

06/28/1988

RPI 923

Carta-patente expirada

#21.1

Patente extinta em 18/03/2003

09/02/2008

RPI 1965

Transferência deferida

#25.1

01/21/1998

RPI 1413

Concessão da patente

#16.1

03/26/1996

RPI 1321

Notificação para pagamento de retribuição

#13.1

10/03/1995

RPI 1296

Deferimento

#9.1

05/23/1995

RPI 1277

15.5

09/27/1994

RPI 1243

Retificação

#15.6

05/11/1993

RPI 1171

Retificação

#15.3

02/02/1993

RPI 1157

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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