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Official data from INPI

PROCESSOS E APARELHO PARA A PRODUCAO DE PARTICULAS ESFERICAS OU FIBRAS

ConcedidaInvention Patent

Application data

Number

PI7905559

Type

Invention Patent

Filing

08/29/1978

Publication

-

Progress at the INPI

  1. Filing08/29/78
  2. Publication
  3. Examination
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Terminated09/25/90

The patent was granted on 04/24/1984 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. A. (pessoa física)

SATO TECHN RES LAB LTD

Inventors

K. S. (pessoa física)

U. S. (pessoa física)

Y. T. (pessoa física)

Y. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Republicação - classificação IPC

#15.11

05/24/1983

RPI 657

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

6.2

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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