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Official data from INPI

CABECOTE DE TORNEAMENTO INTERNO DE DOIS BITES

Concessão AnuladaInvention Patent

Application data

Number

PI7902995

Type

Invention Patent

Filing

05/11/1978

Publication

-

Progress at the INPI

  1. Filing05/11/78
  2. Publication
  3. Examination01/05/82
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Expired07/26/94

The letters patent expired on 07/26/1994: 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: 01/10/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KAISER AG H

Inventors

P. D. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

01/10/1984

RPI 690

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

08/17/1982

RPI 617

Solicitação de exame técnico

#4.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

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