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Official data from INPI

APERFEICOAMENTO EM HIDROGERADOR

Em AnáliseInvention Patent

Application data

Number

PI7803234

Type

Invention Patent

Filing

05/22/1978

Publication

-

Progress at the INPI

  1. Filing05/22/78
  2. Publication
  3. Examination
  4. Allowance02/24/82
  5. Grant02/22/83
  6. Terminated06/14/88

The patent was granted on 02/22/1983 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

D. F. (pessoa física)

D. A. (pessoa física)

P. G. (pessoa física)

Inventors

D. F. (pessoa física)

D. A. (pessoa física)

P. G. (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

201

12/13/1983

RPI 686

Pedido de licença voluntária

#17.1

07/05/1983

RPI 663

Concessão da patente

#16.1

02/22/1983

RPI 644

110

11/03/1982

RPI 628

Recurso

#12.1

06/15/1982

RPI 608

Deferimento

#9.1

02/24/1982

RPI 592

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