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Official data from INPI

APERFEIÇOAMENTOS EM CASSETE DE FITA.

Em AnáliseInvention Patent

Application data

Number

PI8303207

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. Allowance07/18/89
  5. Grant03/20/90
  6. Terminated08/29/95

The patent was granted on 03/20/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

D. D. (pessoa física)

US

J. H. (pessoa física)

US

R. C. (pessoa física)

US

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

388,540 · 06/15/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

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

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

Concessão da patente

#16.1

03/20/1990

RPI 1010

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