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Official data from INPI

MAQUINA ESCAVADORA

Em AnáliseInvention Patent

Application data

Number

PI8004506

Type

Invention Patent

Filing

07/20/1979

Publication

-

Progress at the INPI

  1. Filing07/20/79
  2. Publication
  3. Examination06/07/83
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated05/17/88

The patent was granted on 06/26/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

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