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Official data from INPI

COBERTURA ADAPTADA PARA SER FIXADA A UMA EXTREMIDADE MUNIDA DE VÁLVULA DE UM CILINDRO PRESSURIZADO

PublicadaInvention Patent

Application data

Number

PI8700060

Type

Invention Patent

Filing

01/09/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/09/87
  2. Publication12/01/87
  3. Examination07/24/90
  4. Allowance01/22/91
  5. Grant08/27/91
  6. Terminated12/31/96

The patent was granted on 08/27/1991 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: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Eastern Pennsylvania Co., Inc.

US

Inventors

T. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

817.485 · 01/09/1986

US

837.366 · 03/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/22/1991

RPI 1051

Solicitação de exame técnico

#4.1

07/24/1990

RPI 1025

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