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Official data from INPI

PROCESSO PARA A PRODUCAO DE FERTILIZANTES

ConcedidaInvention Patent
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Application data

Number

PI7708291

Type

Invention Patent

Filing

12/14/1977

Publication

-
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Progress at the INPI

  1. Filing12/14/77
  2. Publication
  3. Examination
  4. Allowance01/25/83
  5. Grant09/06/83
  6. Terminated08/28/90

The patent was granted on 09/06/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/06/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. R. (pessoa física)

P. L. (pessoa física)

Inventors

P. R. (pessoa física)

P. L. (pessoa física)

Technical data

IPC Classification

C05B 11/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

05/31/1983

RPI 658

Deferimento

#9.1

01/25/1983

RPI 640

11.8

01/18/1983

RPI 639

11.8

12/14/1982

RPI 634

Arquivamento - Art. 36 §1° da LPI

#11.2

10/13/1982

RPI 625

8.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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