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Official data from INPI

Composição da matéria e dispositivo indicador de temperatura.

Em AnáliseInvention Patent

Application data

Number

PI7802743

Type

Invention Patent

Filing

05/02/1978

Publication

-

Progress at the INPI

  1. Filing05/02/78
  2. Publication
  3. Examination
  4. Allowance
  5. Grant03/29/83
  6. Terminated06/14/88

The patent was granted on 03/29/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akzo N.V.

NL

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Inventors

C. M. (pessoa física)

G. E. (pessoa física)

H. C. (pessoa física)

H. G. (pessoa física)

U. R. (pessoa física)

Technical data

Priority claims

NL

7704765 · 05/02/1977

NL

7704776 · 05/02/1977

US

796492 · 05/12/1977

US

844334 · 10/21/1977

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

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

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