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Official data from INPI

SISTEMA DE TAMPA E TUBEIRA PARA RECIPIENTE DESTINADO A MATERIAL ENDURECÍVEL AO AR.

ConcedidaInvention Patent

Application data

Number

PI8108677

Type

Invention Patent

Filing

03/20/1981

Publication

05/25/1982

Progress at the INPI

  1. Filing03/20/81
  2. Publication05/25/82
  3. Examination01/17/84
  4. Allowance02/12/86
  5. Grant08/26/86
  6. Terminated03/19/96

The patent was granted on 08/26/1986 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

166.006 · 07/07/1980

US

81/00370 · 03/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Notificação de entrada na fase nacional - PCT

#1.3

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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