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Official data from INPI

INSTRUMENTO DE DEMOLICAO DESTINADO A REBENTAR MATERIAIS SOLIDOS

Em AnáliseInvention Patent

Application data

Number

PI7906491

Type

Invention Patent

Filing

10/10/1978

Publication

-

Progress at the INPI

  1. Filing10/10/78
  2. Publication
  3. Examination07/13/82
  4. Allowance02/16/83
  5. Grant11/22/83
  6. Terminated06/14/88

The patent was granted on 11/22/1983 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

CERAC INST SA

Inventors

J. W. (pessoa física)

M. A. (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

11/22/1983

RPI 683

Notificação para pagamento de retribuição

#13.1

06/14/1983

RPI 660

Deferimento

#9.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

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