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Official data from INPI

ESPALHADOR CENTRIFUGO DE LIQUIDOS

ConcedidaInvention Patent

Application data

Number

PI7800298

Type

Invention Patent

Filing

01/17/1978

Publication

-

Progress at the INPI

  1. Filing01/17/78
  2. Publication
  3. Examination
  4. Allowance01/31/84
  5. Grant08/28/84
  6. Terminated01/28/92

The patent was granted on 08/28/1984 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. S. (pessoa física)

Inventors

U. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Pedido de certificado de adição de invenção

#5.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

Pedido de licença compulsória

#20.1

10/09/1990

RPI 1036

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