Properties (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method and apparatus for controlling fluid flow.
|
| gptkbp:applicationNumber |
Serial No. 622,198
|
| gptkbp:applicationType |
Non-provisional.
|
| gptkbp:assignee |
gptkb:The_United_States_of_America
|
| gptkbp:citedBy |
US_3,000,000_A
US_4,000,000_A US_5,000,000_A US_3,500,000_A |
| gptkbp:claims |
10 claims.
|
| gptkbp:classification |
Fluid control
|
| gptkbp:country |
United_States.
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfUse |
Fluid dynamics
|
| gptkbp:filingDate |
February 12, 1950
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,555,569 A
|
| gptkbp:inventor |
gptkb:William_H._McCulloch
|
| gptkbp:inventorResidence |
American.
|
| gptkbp:issuedOn |
May 29, 1951
|
| gptkbp:legalStatus |
Lapsed.
|
| gptkbp:maintenanceFee |
Not paid.
|
| gptkbp:patentAbstract |
Describes a method for controlling fluid flow.
Filed in 1950. |
| gptkbp:patentAssignee |
The_United_States_of_America.
|
| gptkbp:patentCitation |
Includes 3 drawings.
Cited by 100+ patents. Cited in over 50 subsequent patents. |
| gptkbp:patentClassification |
Class 137.
|
| gptkbp:patentDescription |
Detailed description of the invention.
|
| gptkbp:patentExpiration |
May 29, 1971.
|
| gptkbp:patentFamily |
Patent_family_includes_US_2,555,568_A.
|
| gptkbp:patentFamilyMembers |
Includes_US_2,555,568_A_and_US_2,555,570_A.
|
| gptkbp:patentField |
Fluid control technology.
|
| gptkbp:patentInventor |
William_H._McCulloch.
|
| gptkbp:patentLength |
20 years.
|
| gptkbp:patentNumber |
2,555,569.
|
| gptkbp:patentOffice |
United_States_Patent_and_Trademark_Office.
|
| gptkbp:patentStatus |
Expired due to non-payment.
Lapsed due to non-payment. |
| gptkbp:patentType |
Utility patent
Granted patent. Granted in 1951. |
| gptkbp:priorityDate |
April 12, 1949
|
| gptkbp:relatedPatent |
US_2,555,568_A.
US_2,555,570_A. |
| gptkbp:relatedTo |
gptkb:US_2,555,570_A
gptkb:US_2,555,568_A |
| gptkbp:status |
Expired
|
| gptkbp:subclass |
Subclass 1.
|
| gptkbp:technicalField |
Mechanical engineering.
|
| gptkbp:title |
Method of and apparatus for controlling the flow of fluids
|