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Official data from INPI

MASSAS DE MOLDACAO TERMOPLASTICAS,E SUA APLICACAO

ConcedidaInvention Patent

Application data

Number

PI7802173

Type

Invention Patent

Filing

04/09/1977

Publication

-

Progress at the INPI

  1. Filing04/09/77
  2. Publication
  3. Examination
  4. Allowance09/20/83
  5. Grant03/27/84
  6. Terminated06/29/93

The patent was granted on 03/27/1984 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HUELS CHEMISCHE WERKE AG

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Inventors

B. K. (pessoa física)

F. R. (pessoa física)

F. R. (pessoa física)

J. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

11/09/1982

RPI 629

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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