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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8007932

Type

Invention Patent

Filing

12/04/1980

Publication

-
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Progress at the INPI

  1. Filing12/04/80
  2. Publication
  3. Examination12/01/81
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated03/12/96

The patent was granted on 11/26/1985 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

D. R. (pessoa física)

R. D. (pessoa física)

Technical data

IPC Classification

C08G 18/28

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

6.2

12/07/1982

RPI 633

Solicitação de exame técnico

#4.1

12/01/1981

RPI 580

21.5

04/09/1996

RPI 1323

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

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