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Official data from INPI

PROCESSO PARA TRATAMENTO NUMA BASE CONTINUA DE UMA SUSPENSAO E CRIVO SEPARADOR

Em AnáliseInvention Patent

Application data

Number

PI7801747

Type

Invention Patent

Filing

03/22/1977

Publication

-

Progress at the INPI

  1. Filing03/22/77
  2. Publication
  3. Examination
  4. Allowance05/24/83
  5. Grant11/29/83
  6. Terminated05/17/88

The patent was granted on 11/29/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BLACK CLAWSON CO

See this company's full portfolio

Inventors

C. D. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/24/1983

RPI 657

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

8.1

12/14/1982

RPI 634

6.2

01/12/1982

RPI 586

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