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Official data from INPI

POLÍMERO HIDROFÍLICO

ConcedidaInvention Patent

Application data

Number

PI7806746

Type

Invention Patent

Filing

10/12/1978

Publication

-

Progress at the INPI

  1. Filing10/12/78
  2. Publication
  3. Examination
  4. Allowance08/09/83
  5. Grant02/28/84
  6. Terminated01/28/92

The patent was granted on 02/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/28/1984. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

01/18/1983

RPI 639

6.2

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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