Properties (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
This patent describes an improvement in the design of electric light bulbs.
|
| gptkbp:applicationNumber |
US_2,000,047
|
| gptkbp:applicationType |
utility
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:citedBy |
US_3,000,000
|
| gptkbp:claims |
10
|
| gptkbp:class |
H01L
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:expirationDate |
1952-05-14
|
| gptkbp:fieldOfInvention |
Electrical Engineering
|
| gptkbp:filingDate |
1935-01-15
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,000,047 B2
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:inventorResidence |
American
|
| gptkbp:issueDate |
1935-05-14
|
| gptkbp:legalStatus |
active
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentFamily |
US_2,000,047_B2,_US_2,000,046_B2
|
| gptkbp:patentNumber |
2,000,047
|
| gptkbp:priorArt |
US_1,500,000
|
| gptkbp:relatedPatent |
gptkb:US_2,000,046_B2
|
| gptkbp:status |
granted
|
| gptkbp:subclass |
H01L_33/00
|
| gptkbp:title |
Improvement in Electric Light Bulbs
|