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Official data from INPI

LAMINADO RESISTENTE A IMPACTOS, APERFEIÇOADOS

ConcedidaInvention PatentPCT · US1979000858

Application data

Number

PI7908866

Type

Invention Patent

Filing

10/18/1979

Publication

-

PCT

US1979000858

Progress at the INPI

  1. Filing10/18/79
  2. Publication
  3. Examination06/08/82
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Expired05/09/95

The letters patent expired on 05/09/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

952.678 · 10/19/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Republicação - classificação IPC

#15.11

05/19/1987

RPI 865

Exigência - art. 36 da LPI

#6.1

04/14/1987

RPI 860

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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