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Official data from INPI

DISPOSITIVO E PROCESSO PARA A CONSTRUCAO SUBTERRANEA COM PROPULSAO A ESCUDO

ArquivadaInvention Patent
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Application data

Number

PI7808692

Type

Invention Patent

Filing

09/27/1977

Publication

-
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Progress at the INPI

  1. Filing09/27/77
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LOCHER & CIE AG

Inventors

S. W. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.3

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

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