Properties (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
An apparatus for treating soil to improve its agricultural properties.
|
| gptkbp:applicationNumber |
US_1800001
|
| gptkbp:assignee |
gptkb:Houghton_Manufacturing_Company
|
| gptkbp:citedBy |
gptkb:US_20050012345A1
|
| gptkbp:claims |
10
|
| gptkbp:classification |
A01B
|
| gptkbp:expirationDate |
2041-08-04
|
| gptkbp:fieldOfInvention |
Agricultural_machinery
|
| gptkbp:filingDate |
1930-12-29
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 1800001 B2
|
| gptkbp:inventor |
gptkb:William_H._H._Houghton
|
| gptkbp:issueDate |
1931-08-04
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
active
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentFamily |
Houghton_soil_treatment_patents
|
| gptkbp:patentType |
utility
|
| gptkbp:priorArt |
US_1500000_A
|
| gptkbp:relatedTo |
agriculture
|
| gptkbp:title |
Apparatus_for_treating_soil
|