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Official data from INPI

SISTEMA DE CONTROLE DE PORTA DE ELEVADOR; E CONTROLE DE PORTA DE ELEVADOR

PublicadaInvention Patent

Application data

Number

PI8900279

Type

Invention Patent

Filing

01/24/1989

Publication

09/19/1989

Progress at the INPI

  1. Filing01/24/89
  2. Publication09/19/89
  3. Examination10/29/91
  4. Allowance01/05/99
  5. Grant06/29/99
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. A. (pessoa física)

CH

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

D. D. (pessoa física)

US

D. B. (pessoa física)

US

J. L. (pessoa física)

US

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

148.394 · 01/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/19/1989

RPI 987

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Carta-patente expirada

#21.1

Patente extinta em 29/06/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

01/05/1999

RPI 1461

14.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

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