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Official data from INPI

PROCESSO DE TRANSPORTE DE PASTA AQUOSA DE SÓLIDOS PARTICULADOS EM TUBULAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8004914

Type

Invention Patent

Filing

08/05/1980

Publication

-

Progress at the INPI

  1. Filing08/05/80
  2. Publication
  3. Examination02/24/82
  4. Allowance07/31/84
  5. Grant04/30/85
  6. Terminated05/17/88

The patent was granted on 04/30/1985 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

Conoco Inc

US

See this company's full portfolio

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

DK

3311/79 · 08/07/1979

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

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Deferimento

#9.1

07/31/1984

RPI 719

Republicação - classificação IPC

#15.11

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

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