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Official data from INPI

COMPOSIÇÃO HERBICIDA

ConcedidaInvention Patent

Application data

Number

PI7905807

Type

Invention Patent

Filing

09/11/1979

Publication

-

Progress at the INPI

  1. Filing09/11/79
  2. Publication
  3. Examination02/16/82
  4. Allowance01/31/89
  5. Grant09/26/89
  6. Expired04/25/95

The letters patent expired on 04/25/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stauffer Chemical Company

US

See this company's full portfolio

Inventors

D. H. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

060.603 · 07/27/1979

US

944.094 · 09/20/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

06/06/1989

RPI 972

Deferimento

#9.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

08/16/1988

RPI 930

Republicação - classificação IPC

#15.11

09/25/1984

RPI 727

6.2

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 155/02; C07F 9/32; A01N 57/12.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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