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Official data from INPI

PLACA DE PRESSAO

Em AnáliseInvention Patent

Application data

Number

PI7804854

Type

Invention Patent

Filing

07/29/1977

Publication

-

Progress at the INPI

  1. Filing07/29/77
  2. Publication
  3. Examination
  4. Allowance12/01/81
  5. Grant08/31/82
  6. Terminated06/14/88

The patent was granted on 08/31/1982 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WAGNER & CO

Inventors

E. R. (pessoa física)

M. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

Deferimento

#9.1

12/01/1981

RPI 580

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