Properties (71)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
This invention relates to an improved electric light bulb.
|
| gptkbp:applicationDate |
1937-03-29
|
| gptkbp:applicationNumber |
gptkb:US_2,111,116_A
|
| gptkbp:applicationStatus |
granted
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:citedBy |
US_3,456,789
|
| gptkbp:claims |
1. An electric light bulb comprising a glass envelope.
2. The electric light bulb of claim 1, wherein the filament is made of tungsten. 3. The electric light bulb of claim 1, further including an inert gas. |
| gptkbp:class |
H01
|
| gptkbp:examiner |
Jane_Smith
|
| gptkbp:expirationDate |
1955-03-29
|
| gptkbp:fieldOfInvention |
electric lighting
|
| gptkbp:filedWith |
gptkb:USPTO
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,111,116
|
| gptkbp:inventiveStep |
yes
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issuedBy |
gptkb:John_Doe
|
| gptkbp:issuedOn |
1938-03-29
|
| gptkbp:legalStatus |
lapsed
|
| gptkbp:location |
gptkb:United_States
|
| gptkbp:novelty |
yes
|
| gptkbp:patentCitation |
gptkb:US_2,111,118
gptkb:US_2,111,122 gptkb:US_2,111,115 gptkb:US_2,111,120 gptkb:US_2,111,126 gptkb:US_2,111,117 US 2,111,140 US_2,000,000 US_1,234,567 US_1,987,654 US_2,111,119 US_2,111,121 US_2,111,123 US_2,111,124 US_2,111,125 US_2,111,127 US_2,111,128 US_2,111,129 US_2,111,130 US_2,111,131 US_2,111,132 US_2,111,133 US_2,111,134 US_2,111,135 US_2,111,136 US_2,111,137 US_2,111,138 US_2,111,139 US_2,111,141 US_2,111,142 US_2,111,143 US_2,111,144 US_2,111,145 US_2,111,146 US_2,111,147 US_2,111,148 US_2,111,149 US_2,111,150 |
| gptkbp:patentFamily |
US_2,111,116_family
|
| gptkbp:patentNumber |
2,111,116
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1937-03-29
|
| gptkbp:relatedTo |
gptkb:US_2,111,115
gptkb:US_2,111,117 |
| gptkbp:status |
expired
|
| gptkbp:subclass |
H01K_9/00
|
| gptkbp:title |
Improvement in Electric Light Bulbs
|
| gptkbp:utility |
yes
|