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Official data from INPI

PROCESSO PARA REDUÇÃO DO TEOR UMIDADE DE CONCENTRADOS

Em AnáliseInvention Patent

Application data

Number

PI7804626

Type

Invention Patent

Filing

07/18/1978

Publication

-

Progress at the INPI

  1. Filing07/18/78
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Grant02/28/84
  6. Terminated07/12/88

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.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

M. L. (pessoa física)

US

S. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

817,409 · 07/20/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

15.0

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

6.2

12/15/1981

RPI 582

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