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Official data from INPI

Processo para aumentar a capacidade de transporte dos elevadores em um edifício

PublicadaInvention Patent

Application data

Number

PI8802906

Type

Invention Patent

Filing

06/14/1988

Publication

01/03/1989

Progress at the INPI

  1. Filing06/14/88
  2. Publication01/03/89
  3. Examination03/12/91
  4. Allowance05/27/97
  5. Grant07/28/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

FI

Kone Elevator GmbH

CH

See this company's full portfolio

Inventors

R. E. (pessoa física)

FI

R. P. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

872706 · 06/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Carta-patente expirada

#21.1

Patente extinta em 28/07/2008

08/26/2008

RPI 1964

Transferência deferida

#25.1

Transferido de: Kone Elevator GMBH

08/30/2005

RPI 1808

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

05/27/1997

RPI 1382

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

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