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Official data from INPI

PROCESSO E DISPOSITIVO PARA A DISTRIBUIÇÃO PNEUMÁTICA DE MATERIAL DE CONSTRUÇÃO HIDRÁULICO, TRANSPORTADO HIDROMECANICAMENTE, DA OPERAÇÃO SUBTERRÂNEA.

ArquivadaInvention Patent

Application data

Number

PI8404991

Type

Invention Patent

Filing

10/03/1984

Publication

08/20/1985

Progress at the INPI

  1. Filing10/03/84
  2. Publication08/20/85
  3. Abandoned06/02/87
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Friedrich Wilh. Schwing GMBH

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Inventors

K. E. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 35 953.9 · 10/04/1983

EP

84110148.8 · 08/25/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/14/1989

RPI 995

6.2

07/12/1988

RPI 925

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

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