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Official data from INPI

VÁLVULA REGULADORA PARA ELEVADOR HIDRÁULICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006431

Type

Invention Patent

Filing

12/18/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing12/18/90
  2. Publication09/24/91
  3. Examination04/07/92
  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

K. C. (pessoa física)

FI

Kone Elevator GmbH

CH

See this company's full portfolio

Inventors

R. P. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

896102 · 12/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/12/2005

06/08/2010

RPI 2057

Transferência deferida

#25.1

Transferido de: Kone Elevator GMBH

08/23/2005

RPI 1807

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

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

06/04/1991

RPI 1070

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