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Official data from INPI

ENGRENAGEM DE SEGURANÇA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006332

Type

Invention Patent

Filing

12/13/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing12/13/90
  2. Publication09/24/91
  3. Examination06/02/92
  4. Allowance05/31/94
  5. Grant12/27/94
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kone Elevator GmbH

CH

See this company's full portfolio

Inventors

H. K. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

895998 · 12/14/1989

FI

905670 · 11/15/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/12/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/28/1991

RPI 1069

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