Statements (60)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
An electrical resistance heating system.
|
| gptkbp:applicationNumber |
US_2,123,381
|
| gptkbp:applicationPublication |
US_2,123,381_A1
|
| gptkbp:applicationType |
Utility
|
| gptkbp:assignee |
gptkb:General_Electric_Company
|
| gptkbp:citedBy |
US_3,000,000
|
| gptkbp:claims |
10
|
| gptkbp:class |
H05B 3/00
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
Heating systems
|
| gptkbp:filingDate |
1937-01-12
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,123,381 B2
|
| gptkbp:inventor |
gptkb:William_H._McCulloch
|
| gptkbp:inventorCountry |
gptkb:USA
|
| gptkbp:issueDate |
1938-07-12
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
Granted
|
| gptkbp:patentAbstract |
1937-01-12
Describes an electrical resistance heating system. |
| gptkbp:patentAssignee |
gptkb:General_Electric
USA. General_Electric_Company,_Multinational_conglomerate. |
| gptkbp:patentCitation |
1938-07-12
Cited by 10 other patents. 10. US_2,000,000 |
| gptkbp:patentClassification |
H05B
|
| gptkbp:patentExpiration |
1955-07-12
1955-07-12. |
| gptkbp:patentFamily |
Electrical resistance heating.
US_2,123,381_B2,_US_2,123,380_B2 |
| gptkbp:patentFamilyMembers |
US_2,123,380_B2
|
| gptkbp:patentField |
Electrical Engineering
Heating technology Electrical heating. Heating systems. |
| gptkbp:patentFilingDate |
A1.
1937-01-12. Priority claimed from 1937-01-12. |
| gptkbp:patentInventor |
gptkb:William_McCulloch
USA. Examined_by_John_Doe. William_H._McCulloch,_Electrical_Engineer. |
| gptkbp:patentLength |
2.
|
| gptkbp:patentNumber |
2,123,381
US_2,123,381. |
| gptkbp:patentStatus |
Expired due to non-payment of maintenance fees.
Expired due to non-payment. Expired due to maintenance fee. |
| gptkbp:patentType |
Utility Patent
Granted. Utility. Utility patent for electrical systems. Related_to_US_2,123,380_B2. |
| gptkbp:priorityDate |
1937-01-12
|
| gptkbp:relatedTo |
US_2,123,380_B2
|
| gptkbp:status |
Expired
|
| gptkbp:subclass |
H05B_3/10
|
| gptkbp:title |
Electrical_Resistance_Heating_System
|