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Official data from INPI

VALVULA DE CONTROLE DE NIVEL DE AGUA, SOB PRESSAO OU VACUO

Em AnáliseInvention Patent

Application data

Number

PI8101756

Type

Invention Patent

Filing

03/25/1981

Publication

-

Progress at the INPI

  1. Filing03/25/81
  2. Publication
  3. Examination
  4. Allowance07/03/84
  5. Grant02/26/85
  6. Terminated05/24/88

The patent was granted on 02/26/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IND E COMERCIO LATINA LTD

Inventors

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/03/1984

RPI 715

8.1

01/24/1984

RPI 692

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