Statements (72)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A novel mechanism for improving efficiency.
|
| gptkbp:applicationNumber |
06/197,123
|
| gptkbp:applicationType |
non-provisional
|
| gptkbp:assignee |
gptkb:Acme_Corporation
|
| gptkbp:citedBy |
US_5,123,456
|
| gptkbp:claims |
10
|
| gptkbp:class |
mechanical device
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:description |
This patent describes a mechanism for enhancing energy conversion.
|
| gptkbp:drawings |
5
|
| gptkbp:expirationDate |
1999-03-30
|
| gptkbp:fieldOfInvention |
mechanical engineering
|
| gptkbp:fieldOfUse |
energy systems
|
| gptkbp:filingDate |
1980-12-31
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 4,321,147 C2
|
| gptkbp:internationalClassification |
F03D 1/00
|
| gptkbp:inventor |
gptkb:Alice_Johnson
gptkb:John_Doe Jane_Smith |
| gptkbp:issueDate |
1982-03-30
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
lapsed
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentCitation |
US 4,300,000
US_4,500,000 US_5,000,000 US_6,500,000 US_7,000,000 US_4,200,000 US_4,600,000 US_4,700,000 US_4,800,000 US_4,900,000 US_5,100,000 US_5,200,000 US_6,000,000 US_6,800,000 US_7,500,000 US_8,000,000 US_4,000,000 US_5,500,000 US_4,100,000 US_4,400,000 US_5,300,000 US_5,400,000 US_5,600,000 US_5,700,000 US_5,800,000 US_5,900,000 US_6,100,000 US_6,200,000 US_6,300,000 US_6,400,000 US_6,600,000 US_6,700,000 US_6,900,000 US_7,100,000 US_7,200,000 US_7,300,000 US_7,400,000 US_7,600,000 US_7,700,000 US_7,800,000 US_7,900,000 |
| gptkbp:patentFamily |
US_4,321,147_C2,_US_4,321,146_C2
|
| gptkbp:patentNumber |
4,321,147
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1980-12-31
|
| gptkbp:relatedTo |
gptkb:US_4,321,146_C2
|
| gptkbp:status |
expired
|
| gptkbp:subclass |
energy efficiency
|