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Official data from INPI

PROCESSO PARA ESCAVAR SOLO MOLE E DISPOSITIVO PARA APLICACAO DO PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7800675

Type

Invention Patent

Filing

02/02/1977

Publication

-

Progress at the INPI

  1. Filing02/02/77
  2. Publication
  3. Examination
  4. Allowance04/27/82
  5. Grant11/30/82
  6. Terminated01/28/92

The patent was granted on 11/30/1982 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: 05/20/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BOS KALIS WESTINGHOUSE GROUP N

Inventors

H. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/20/1986

RPI 813

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

6.2

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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