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Official data from INPI

APARELHO DE ESCAVACAO

Em AnáliseInvention Patent

Application data

Number

PI7905530

Type

Invention Patent

Filing

09/01/1978

Publication

-

Progress at the INPI

  1. Filing09/01/78
  2. Publication
  3. Examination06/15/82
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated06/14/88

The patent was granted on 07/31/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIT RIG & EQUIP

Inventors

F. O. (pessoa física)

M. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

08/02/1983

RPI 667

Conhecimento de parecer técnico

#7.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

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