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Official data from INPI

SISTEMA DE FREIO HIDRAULICO PARA TAMBOR DE ICAMENTO DE GUINDASTE

ConcedidaInvention Patent
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Application data

Number

PI7801387

Type

Invention Patent

Filing

03/07/1977

Publication

-
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Progress at the INPI

  1. Filing03/07/77
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant01/31/84
  6. Terminated06/29/93

The patent was granted on 01/31/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HARNISCHFEGER CORP

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Inventors

W. J. (pessoa física)

Technical data

IPC Classification

B66D 5/28

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

10/13/1982

RPI 625

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

Pedido de licença compulsória

#20.1

08/06/1991

RPI 1079

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