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Official data from INPI

CANO DE DRENAGEM.

Em AnáliseInvention Patent

Application data

Number

PI7908935

Type

Invention Patent

Filing

12/03/1979

Publication

-

Progress at the INPI

  1. Filing12/03/79
  2. Publication
  3. Examination06/28/83
  4. Allowance10/23/84
  5. Grant04/30/85
  6. Terminated06/14/88

The patent was granted on 04/30/1985 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gert Wilhelm Soderstrom,

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

79/00245 · 12/03/1979

US

062.693 · 08/01/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

05/29/1984

RPI 710

Conhecimento de parecer técnico

#7.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

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