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Official data from INPI

COBERTURA MÓVEL PARA CONSTRUÇÃO DE RESICÊNCIAS.

ConcedidaInvention Patent

Application data

Number

PI8102180

Type

Invention Patent

Filing

04/10/1981

Publication

11/16/1982

Progress at the INPI

  1. Filing04/10/81
  2. Publication11/16/82
  3. Examination10/11/83
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

SP, BR

Inventors

R. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Conhecimento de parecer técnico

#7.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

11/16/1982

RPI 630

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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