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Official data from INPI

PROCESSO DE CONTROLAR OS COMUTADORES SEMICONDUTORES E UNIDADE DE CONTROLE PROJETADA PARA APLICAR O PROCESSO

PublicadaInvention Patent
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Application data

Number

PI8800063

Type

Invention Patent

Filing

01/11/1988

Publication

10/04/1988
View on INPI

Progress at the INPI

  1. Filing01/11/88
  2. Publication08/09/88
  3. Examination11/06/90
  4. Allowance02/01/94
  5. Grant08/30/94
  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.

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Latest action published by the INPI: 10/04/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kone Elevator GmbH

CH

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Inventors

H. H. (pessoa física)

FI

Technical data

IPC Classification

H02M 7/68

Priority claims

FI

870119 · 01/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

08/09/1988

RPI 929

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

Carta-patente expirada

#21.1

Patente extinta em 11/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

Deferimento

#9.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

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