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Official data from INPI

SISTEMA DE COBERTURA PARA TELHADOS À BASE DE ELASTÔMERO DE SILICONE.

ConcedidaInvention Patent

Application data

Number

PI8207807

Type

Invention Patent

Filing

06/07/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing06/07/82
  2. Publication07/19/83
  3. Examination02/26/85
  4. Allowance07/14/87
  5. Grant01/26/88
  6. Terminated04/18/95

The patent was granted on 01/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

B. [. (pessoa física)

E. [. (pessoa física)

F. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

288.268 · 07/30/1981

US

82/00777 · 06/07/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Conhecimento de parecer técnico

#7.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Notificação de entrada na fase nacional - PCT

#1.3

07/19/1983

RPI 665

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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