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Official data from INPI

CÉLULA DE CONDUTIVIDADE.

ConcedidaInvention Patent

Application data

Number

PI8106189

Type

Invention Patent

Filing

09/28/1981

Publication

06/15/1982

Progress at the INPI

  1. Filing09/28/81
  2. Publication06/15/82
  3. Examination07/24/84
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Terminated09/13/94

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

H. W. (pessoa física)

L. J. (pessoa física)

P. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

197.317 · 10/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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