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Official data from INPI

CHAPA REFRATARIA PARA UM FECHO DE CORRER EM RECIPIENTES CONTENDO METAL EM FUSAO

Em AnáliseInvention Patent

Application data

Number

PI7904353

Type

Invention Patent

Filing

07/10/1978

Publication

-

Progress at the INPI

  1. Filing07/10/78
  2. Publication
  3. Examination
  4. Allowance08/23/83
  5. Grant02/28/84
  6. Terminated06/14/88

The patent was granted on 02/28/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARTIN & PAGENSTECHER GMBH

Inventors

B. D. (pessoa física)

E. E. (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

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/13/1983

RPI 686

Deferimento

#9.1

08/23/1983

RPI 670

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

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