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Official data from INPI

PROCESSO E APARELHO DE PROVER UM FIO SINTETICO E PROCESSO E APARELHO PARA PRODUCAO DO FIO ESTIRADO

ConcedidaInvention Patent

Application data

Number

PI7800490

Type

Invention Patent

Filing

01/27/1977

Publication

-

Progress at the INPI

  1. Filing01/27/77
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Terminated01/28/92

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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HEATHCOAT & CO LTD

Inventors

B. T. (pessoa física)

F. P. (pessoa física)

M. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

15.0

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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