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Official data from INPI

ARTIGO DE POLICARBONATO REVESTIDO, RESISTENTE Á ABRASÃO; REVESTIMENTO ADERENTEE RESISTENTE AO POLICARBONATO

Em AnáliseInvention Patent

Application data

Number

PI8007719

Type

Invention Patent

Filing

11/26/1980

Publication

-

Progress at the INPI

  1. Filing11/26/80
  2. Publication
  3. Examination08/02/83
  4. Allowance11/27/90
  5. Grant05/28/91
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 08/02/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

D. O. (pessoa física)

US

J. G. (pessoa física)

US

Technical data

Priority claims

US

106.264 · 12/21/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

Republicação - classificação IPC

#15.11

10/01/1991

RPI 1087

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

Exigência - art. 36 da LPI

#6.1

06/05/1990

RPI 1021

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