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Official data from INPI

DISPOSITIVO DE REGULAGEM DO ACIONAMENTO DE PRENSAS PARA FINS DIVERSOS.

Em AnáliseInvention Patent

Application data

Number

PI8102833

Type

Invention Patent

Filing

05/07/1981

Publication

-

Progress at the INPI

  1. Filing05/07/81
  2. Publication
  3. Examination10/20/81
  4. Allowance03/07/84
  5. Grant09/25/84
  6. Terminated06/21/88

The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mecânica Wultzl Ltda.

SP, BR

Inventors

F. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/26/1984

RPI 714

Deferimento

#9.1

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

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