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Official data from INPI

APERFEICOAMENTOS EM PERFURATRIZES DA CROSTA TERRESTRE

Em AnáliseInvention Patent

Application data

Number

PI7701907

Type

Invention Patent

Filing

03/25/1977

Publication

-

Progress at the INPI

  1. Filing03/25/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated05/10/88

The patent was granted on 07/27/1982 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. D. (pessoa física)

Inventors

B. D. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

18.7

10/01/1985

RPI 780

Anuidade - prazo legal encerrado

#18.2

08/20/1985

RPI 774

Cessão de direito de exploração

#22.1

12/04/1984

RPI 737

Republicação - classificação IPC

#15.11

04/05/1983

RPI 650

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

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