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Official data from INPI

ATUADOR PNEUMÁTICO, ANGULAR, PARA ACIONAMENTO DE VÁLVULAS

Em AnáliseInvention Patent

Application data

Number

PI8202305

Type

Invention Patent

Filing

04/22/1982

Publication

06/22/1982

Progress at the INPI

  1. Filing04/22/82
  2. Publication06/22/82
  3. Examination08/24/82
  4. Allowance07/10/84
  5. Grant12/26/84
  6. Invalidated12/17/85

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 12/17/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. L. (pessoa física)

SP, BR

Inventors

W. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

12/17/1985

RPI 791

Pedido de licença voluntária

#17.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

02/26/1985

RPI 749

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

Publicação antecipada

#3.2

06/22/1982

RPI 609

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

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