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Official data from INPI

VÁLVULA DE SOLENÓIDE

Em AnáliseInvention Patent

Application data

Number

PI8403740

Type

Invention Patent

Filing

07/27/1984

Publication

03/04/1986

Progress at the INPI

  1. Filing07/27/84
  2. Publication03/04/86
  3. Examination08/05/86
  4. Allowance05/16/89
  5. Grant01/09/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

F. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

577.852 · 02/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 27/07/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

01/09/1990

RPI 1001

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