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Official data from INPI

APERFEICOAMENTOS EM CONJUNTO DE SUPORTE DE CORRENTE,E EM CONJUNTO DE SUPORTE DE TROLE

Em AnáliseInvention Patent

Application data

Number

PI7900473

Type

Invention Patent

Filing

01/25/1978

Publication

-

Progress at the INPI

  1. Filing01/25/78
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant12/27/83
  6. Terminated11/16/88

The patent was granted on 12/27/1983 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FROST & SON C L

Inventors

F. C. (pessoa física)

G. G. (pessoa física)

S. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

16.3

03/20/1984

RPI 700

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

12/21/1982

RPI 635

6.2

01/26/1982

RPI 588

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