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Official data from INPI

PROCESSO PARA A PREPARACAO DE MATERIAL IMISCIVEL EM AGUA ENCAPSULADA

ConcedidaInvention Patent

Application data

Number

PI7803468

Type

Invention Patent

Filing

05/31/1977

Publication

-

Progress at the INPI

  1. Filing05/31/77
  2. Publication
  3. Examination
  4. Allowance02/28/84
  5. Grant10/30/84
  6. Terminated01/28/92

The patent was granted on 10/30/1984 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO

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Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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