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Official data from INPI

EMBOLO FUNDIDO DE METAL LEVE PARA MAQUINAS DE COMBUSTAO INTERNA

ConcedidaInvention Patent

Application data

Number

PI7906046

Type

Invention Patent

Filing

09/27/1978

Publication

-

Progress at the INPI

  1. Filing09/27/78
  2. Publication
  3. Examination
  4. Allowance12/04/84
  5. Grant05/28/85
  6. Expired04/25/95

The letters patent expired on 04/25/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHMIDT GMBH KARL

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Inventors

K. W. (pessoa física)

L. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

04/23/1985

RPI 757

100

12/04/1984

RPI 737

Petição de recurso

#12.2

07/10/1984

RPI 716

Indeferimento

#9.2

03/20/1984

RPI 700

Conhecimento de parecer técnico

#7.1

06/07/1983

RPI 659

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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