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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8105861

Type

Invention Patent

Filing

01/02/1981

Publication

11/17/1981

Progress at the INPI

  1. Filing01/02/81
  2. Publication11/17/81
  3. Examination08/02/83
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Terminated11/08/94

The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Den-Nat,Inc.

US

Inventors

G. [. (pessoa física)

I. [. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Conhecimento de parecer técnico

#7.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

14.1

03/22/1983

RPI 648

Notificação de entrada na fase nacional - PCT

#1.3

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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