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Official data from INPI

ECONOMISADOR SUBSTITUTO, HASTE QUADRADA E RESISTRO DA HASTE, E SUA COMBINAÇÃO

ConcedidaInvention Patent

Application data

Number

PI7803926

Type

Invention Patent

Filing

06/21/1978

Publication

-

Progress at the INPI

  1. Filing06/21/78
  2. Publication
  3. Examination
  4. Allowance12/28/82
  5. Grant07/26/83
  6. Terminated09/18/90

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

E. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

809259 · 06/23/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

12/28/1982

RPI 636

15.0

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

6.2

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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