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Official data from INPI

PARAFUSO AUTOPERFURANTE FRESA ROTATIVA

Em AnáliseInvention Patent

Application data

Number

PI8007606

Type

Invention Patent

Filing

11/26/1979

Publication

-

Progress at the INPI

  1. Filing11/26/79
  2. Publication
  3. Examination08/02/83
  4. Allowance04/09/85
  5. Grant09/29/87
  6. Expired12/26/95

The letters patent expired on 12/26/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ITW do Brasil Participações Ltda

SP, BR

See this company's full portfolio

Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

05/10/1988

RPI 916

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

05/12/1987

RPI 864

110

01/06/1987

RPI 846

14.1

05/27/1986

RPI 814

Recurso

#12.1

08/06/1985

RPI 772

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

4.1.2

09/20/1983

RPI 674

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

20.7

07/09/1991

RPI 1075

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