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Official data from INPI

APERFEIÇOAMENTO EM CASSETE DE FITA.

ConcedidaInvention Patent

Application data

Number

PI8303208

Type

Invention Patent

Filing

06/14/1983

Publication

01/31/1984

Progress at the INPI

  1. Filing06/14/83
  2. Publication01/31/84
  3. Examination06/17/86
  4. Allowance01/17/89
  5. Grant08/29/89
  6. Terminated08/29/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

388.539 · 06/15/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

08/30/1988

RPI 932

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Republicação - classificação IPC

#15.11

10/23/1984

RPI 731

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

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