Statements (59)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method and apparatus for producing a high-speed jet of liquid.
|
| gptkbp:applicationDate |
April 12, 1960
|
| gptkbp:applicationNumber |
US_3,000,004
|
| gptkbp:applicationPublication |
gptkb:US_3,000,004_A
|
| gptkbp:applicationType |
Non-provisional
|
| gptkbp:assignee |
The_United_States_of_America_as_represented_by_the_Secretary_of_the_Army
|
| gptkbp:citedBy |
US_3,500,000
|
| gptkbp:claims |
10
|
| gptkbp:class |
B64C 1/00
|
| gptkbp:drawings |
Yes
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
Fluid dynamics
|
| gptkbp:filedWith |
gptkb:USPTO
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 3,000,004 A
|
| gptkbp:inventor |
gptkb:Robert_H._McDonald
|
| gptkbp:inventorCountry |
gptkb:USA
|
| gptkbp:inventorResidence |
gptkb:California
|
| gptkbp:issuedOn |
September 26, 1961
|
| gptkbp:legalStatus |
Granted
|
| gptkbp:maintenanceFee |
Paid
|
| gptkbp:patentAssignee |
gptkb:U.S._Army
gptkb:USA USA. U.S._Army. |
| gptkbp:patentCitation |
Yes.
US_2,500,000 US_3,500,000. |
| gptkbp:patentClaim |
10.
|
| gptkbp:patentClassification |
Class 239
|
| gptkbp:patentExpiration |
1981
|
| gptkbp:patentFamily |
US_3,000,004_A,_US_3,500,000
|
| gptkbp:patentField |
Aerospace engineering.
Fluid mechanics. |
| gptkbp:patentFilingDate |
April 12, 1960
September 26, 1961 April 12, 1960. September 26, 1961. |
| gptkbp:patentInventor |
Robert_H._McDonald.
|
| gptkbp:patentLength |
20 years
|
| gptkbp:patentNumber |
3000004
US_Patent US_3,000,004. |
| gptkbp:patentStatus |
Expired due to non-payment of maintenance fees.
Lapsed. |
| gptkbp:patentType |
Utility patent
Granted. Utility patent for a method and apparatus. Utility. jet propulsion. A method and apparatus for producing a high-speed jet of liquid. Non-provisional utility patent. John_Doe. |
| gptkbp:priorityDate |
April 12, 1960
|
| gptkbp:relatedTo |
jet propulsion
|
| gptkbp:status |
Expired
|
| gptkbp:subclass |
B64C 1/14
|
| gptkbp:technicalField |
Aerospace engineering
|
| gptkbp:title |
Method of and apparatus for producing a high-speed jet of liquid
|