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Official data from INPI

ANEL DE SEDE PARA UMA VALVULA DE ESFERA E VALVULA DE ESFERA

ConcedidaInvention Patent

Application data

Number

PI8207598

Type

Invention Patent

Filing

01/07/1982

Publication

10/25/1983

Progress at the INPI

  1. Filing01/07/82
  2. Publication10/25/83
  3. Examination03/20/84
  4. Allowance04/09/85
  5. Grant05/27/86
  6. Terminated02/11/92

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WORCESTER CONTROLS CORP [US]

Inventors

K. P. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

03/11/1986

RPI 803

110

12/31/1985

RPI 793

Recurso

#12.1

07/16/1985

RPI 769

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação do pedido de patente

#3.1

10/25/1983

RPI 679

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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