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Official data from INPI

APARELHO PARA PENEIRAR

PublicadaInvention Patent

Application data

Number

PI8704386

Type

Invention Patent

Filing

08/26/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/26/87
  2. Publication04/19/88
  3. Examination10/30/90
  4. Allowance09/13/94
  5. Grant05/30/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Beloit Technologies, Inc.

US

Ingersoll-Rand Company

US

See this company's full portfolio

Inventors

D. Y. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

900.714 · 08/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 26/08/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

Transferido de: Ingersoll-Rand Company

11/10/1998

RPI 1453

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

Exigência - art. 36 da LPI

#6.1

11/09/1993

RPI 1197

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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