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Official data from INPI

SEM TITULO

Concessão AnuladaInvention Patent

Application data

Number

PI7808229

Type

Invention Patent

Filing

12/14/1978

Publication

-

Progress at the INPI

  1. Filing12/14/78
  2. Publication
  3. Examination06/15/82
  4. Allowance10/25/83
  5. Grant04/24/84
  6. Terminated05/04/93

The patent was granted on 04/24/1984 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: 07/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Smith International, Inc.

US

See this company's full portfolio

Inventors

C. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.4

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Republicação - classificação IPC

#15.11

04/17/1984

RPI 704

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Conhecimento de parecer técnico

#7.1

06/07/1983

RPI 659

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

05/04/1993

RPI 1170

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