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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8005257

Type

Invention Patent

Filing

08/20/1980

Publication

-
View on INPI

Progress at the INPI

  1. Filing08/20/80
  2. Publication
  3. Examination01/18/83
  4. Allowance11/16/83
  5. Grant05/29/84
  6. Expired09/26/95

The letters patent expired on 09/26/1995: 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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. S. (pessoa física)

DE

Vossloh Schwabe GMBH

DE

Inventors

A. B. (pessoa física)

Technical data

IPC Classification

H01F 41/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/16/1983

RPI 682

Exigência - art. 36 da LPI

#6.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

01/18/1983

RPI 639

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

Pedido de licença compulsória

#20.1

09/19/1995

RPI 1294

20.4

09/12/1995

RPI 1293

Pedido de licença compulsória

#20.1

09/05/1995

RPI 1292

20.4

08/29/1995

RPI 1291

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