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Official data from INPI

ARRUELA DE PARAFUSO

Em AnáliseInvention Patent

Application data

Number

PI7903297

Type

Invention Patent

Filing

05/30/1978

Publication

-

Progress at the INPI

  1. Filing05/30/78
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Terminated05/17/88

The patent was granted on 10/25/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITW LTD

Inventors

C. C. (pessoa física)

H. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

20.8

04/12/1988

RPI 912

Pedido de licença compulsória

#20.1

12/02/1986

RPI 841

16.3

01/10/1984

RPI 690

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

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