Global Patent Index - EP 0910238 A4

EP 0910238 A4 2000-05-31 - SOIL MOISTURE RESPONDER

Title (en)

SOIL MOISTURE RESPONDER

Title (de)

MIT DER BODENFEUCHTIGKEIT REAGIERENDE EINRICHTUNG

Title (fr)

SYSTEME REAGISSANT A L'HUMIDITE DU SOL

Publication

EP 0910238 A4 (EN)

Application

EP 97929026 A

Priority

  • AU 9700435 W
  • AU PO088696 A
  • AU PO587397 A

Abstract (en)

[origin: WO9801021A1] A soil moisture responsive system which has a sensor (40) using a moisture swellable material (42) in controlling a flow of water therethrough in response to an amount of water detected and an acuator (47) connected through a conduit to the water flowing through the sensor and arranged to use such supply of water as is provided from the sensor to develop a sufficient pressure to operate a bi-stable device (47) to effect a snap action contol of a valve (51).

IPC 1-7 (main, further and additional classification)

A01G 25/16

IPC 8 full level (invention and additional information)

A01G 25/16 (2006.01)

CPC (invention and additional information)

A01G 25/167 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See also references of WO 9801021A1

Designated contracting state (EPC)

DE ES FR GB GR IT NL

EPO simple patent family

WO 9801021 A1 19980115; EP 0910238 A1 19990428; EP 0910238 A4 20000531; IL 127953 D0 19991130; TR 9900001 T2 19990421

INPADOC legal status


2001-07-11 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20010330

2000-05-31 [A4] SUPPLEMENTARY SEARCH REPORT

- Ref Legal Event Code: A4

- Effective date: 20000419

2000-05-31 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB GR IT NL

1999-04-28 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19990108

1999-04-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB GR IT NL