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Official data from INPI

PROCESSO DE FILTRACAO E CONCENTRACAO DE AMOSTRAS LIQUIDAS E APARELHO PARA SUA REALIZACAO

ConcedidaInvention Patent

Application data

Number

PI7808046

Type

Invention Patent

Filing

12/07/1978

Publication

-

Progress at the INPI

  1. Filing12/07/78
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant04/24/84
  6. Terminated09/18/90

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

FUNDACAO CENTRO TECN MINAS GER

Inventors

S. C. (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

13.3

01/31/1984

RPI 693

Arquivamento - Art. 38 §2° da LPI

#11.4

10/11/1983

RPI 677

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

15.0

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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