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Official data from INPI

APERFEICOAMENTO EM APARELHO DE PERCUSSAO HIDRAULICA

Em AnáliseInvention Patent

Application data

Number

PI7704877

Type

Invention Patent

Filing

11/08/1976

Publication

-

Progress at the INPI

  1. Filing11/08/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/31/83
  6. Terminated12/15/87

The patent was granted on 05/31/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. R. (pessoa física)

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão anulada

#16.2

06/19/1984

RPI 713

Concessão da patente

#16.1

05/31/1983

RPI 658

Pedido de licença compulsória

#20.1

02/16/1983

RPI 643

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

01/12/1982

RPI 586

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