(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

APARELHO DE DESCARGA PARA UM SILO

Arquivada/ExtintaInvention PatentPCT · FI1989000070

Application data

Number

PI8907400

Type

Invention Patent

Filing

04/19/1989

Publication

04/16/1991

PCT

FI1989000070

Progress at the INPI

  1. Filing04/19/89
  2. Publication04/16/91
  3. Examination09/17/91
  4. Allowance08/23/94
  5. Grant05/30/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. M. (pessoa física)

AT

Kone Wood Oy

FI

See this company's full portfolio

Inventors

O. K. (pessoa física)

FI

R. M. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

881926 · 04/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/04/2004

12/29/2009

RPI 2034

Pedido de licença compulsória

#20.1

11/07/1995

RPI 1301

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

12/20/1994

RPI 1255

Deferimento

#9.1

08/23/1994

RPI 1238

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

14.1

09/01/1992

RPI 1135

Solicitação de exame técnico

#4.1

09/17/1991

RPI 1085

Notificação de entrada na fase nacional - PCT

#1.3

04/16/1991

RPI 1063

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.