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Official data from INPI

SISTEMA DE CONTROLE PARA PROPULSÃO DE GIRO DE RODA PARA ARMAZENAGEM DE ENERGIA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000295

Type

Invention Patent

Filing

01/24/1990

Publication

11/27/1990

Progress at the INPI

  1. Filing01/24/90
  2. Publication11/27/90
  3. Examination12/01/92
  4. Allowance11/24/98
  5. Grant06/29/99
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Standard Inc

US

See this company's full portfolio

Inventors

J. W. (pessoa física)

US

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/312.837 · 02/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/01/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

11/24/1998

RPI 1455

Exigência - art. 36 da LPI

#6.1

05/05/1998

RPI 1428

Solicitação de exame técnico

#4.1

12/01/1992

RPI 1148

Publicação do pedido de patente

#3.1

11/27/1990

RPI 1043

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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