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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7902335

Type

Invention Patent

Filing

04/17/1979

Publication

-

Progress at the INPI

  1. Filing04/17/79
  2. Publication
  3. Examination12/22/81
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Terminated07/20/93

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

Hydra-Tight Limited

GB

Inventors

H. F. (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

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

07/20/1993

RPI 1181

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