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Official data from INPI

PROCESSO PARA CONFORMACAO DE UMA COQUILHA DE LINGOTAMENTO CONTINUO POR MEIO DE EXPLOSIVO

Em AnáliseInvention Patent

Application data

Number

PI7801892

Type

Invention Patent

Filing

03/29/1977

Publication

-

Progress at the INPI

  1. Filing03/29/77
  2. Publication
  3. Examination
  4. Allowance11/16/82
  5. Grant06/28/83
  6. Terminated06/29/93

The patent was granted on 06/28/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CONCAST AG

See this company's full portfolio

Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/22/1983

RPI 648

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

Deferimento

#9.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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