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Official data from INPI

VÁLVULA AJUSTÁVEL PARA UM FILTRO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001788

Type

Invention Patent

Filing

04/17/1990

Publication

06/11/1991

Progress at the INPI

  1. Filing04/17/90
  2. Publication06/11/91
  3. Examination09/08/93
  4. Allowance11/03/98
  5. Grant04/27/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. 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

I. C. (pessoa física)

US

M. C. (pessoa física)

CA

R. S. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

338.571 · 04/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

04/27/1999

RPI 1477

Deferimento

#9.1

11/03/1998

RPI 1452

Transferência deferida

#25.1

Transferido de: Ingersoll-Rand Company

10/06/1998

RPI 1450

Exigência - art. 36 da LPI

#6.1

01/28/1997

RPI 1365

6.2

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

09/08/1993

RPI 1188

Publicação do pedido de patente

#3.1

06/11/1991

RPI 1071

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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