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Official data from INPI

Atuador de solenóide e válvula de solenóide com tranqueta magnética.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100784

Type

Invention Patent

Filing

02/27/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/27/91
  2. Publication10/29/91
  3. Examination05/12/92
  4. Allowance09/09/97
  5. Grant07/28/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Automatic Switch Company

US

See this company's full portfolio

Inventors

G. B. (pessoa física)

US

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

486,967 · 03/01/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/02/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/09/1997

RPI 1397

Exigência - art. 36 da LPI

#6.1

04/22/1997

RPI 1377

Exigência - art. 36 da LPI

#6.1

09/03/1996

RPI 1344

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

09/03/1991

RPI 1083

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