US3126173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alvarez-calderdn
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:35
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/14; B64C9/16; B64C9/20; Y; Y02; Y02T; Y02T50/00; Y02T50/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
224 words
AN AIRFOIL-SHAPED PRIMARY WING MEMBER HAVING AN UPPER SURFACE AND A TRAILING EDGE PORTION WITH A GENERALLY SPANWISE TRAILING EDGE AND AN UNDERSURFACE ADJACENT TO SAID TRAILING EDGE, AND A SECONDARY AIRFOIL-SHAPED WING MEMBER TRAILING SAID PRIMARY WING MEMBER AND HAVING A FIRST SPANWISE EDGE PORTION WITH A ROUNDED SURFACE ADJACENT AND SUBSTANTIALLY PARALLEL TO SAID TRAILING EDGE AND A SECOND SPANWISE EDGE PORTION TO THE REAR OF SAID FIRST EDGE PORTION AND MEANS PROVIDED TO MOVE SAID SECONDARY AIRFOIL-SHAPED WING MEMBER WITH RESPECT TO SAID PRIMARY WING MEMBER BETWEEN A TRAILING POSITION IN WHICH THE UNDERSURFACE OF SAID TRAILING EDGE PORTION AND SAID ROUNDED SURFACE OF SAID FIRST EDGE PORTION DEFINE CONTRACTING WALLS OF A PRINCIPAL HIGH LIFT SLOT BETWEEN SAID PRIMARY AND SECONDARY WING MEMBERS FOR REARWARD FLUID FLOW THERETHROUGH FROM BELOW SAID PRIMARY WING MEMBER TO ON TOP OF SAID SECONDARY WING MEMBER AND A RETRACTED POSITION IN WHICH SAID SECONDARY WING MEMBER IS POSITIONED FAIRED WITH AND ADJACENT TO SAID PRIMARY WING MEMBER BELOW SAID UPPER SURFACE IN AN INVERTED DISPOSITION IN WHICH SAID SECONDARY WING MEMBER IS APPROXIMATELY PARALLEL TO SAID PRIMARY WING MEMBER WITH SAID FIRST EDGE PORTION ADJACENT TO SAID TRAILING EDGE OF SAID PRIMARY MEMBER AND SAID SECOND EDGE PORTION FORWARD FROM SAID FIRST EDGE PORTION AND ADJACENT TO SAID UNDERSURFACE OF SAID PRIMARY WING MEMBER.
Claim 2
Dependent Claim
224 words
AN AIRFOIL-SHAPED PRIMARY WING MEMBER HAVING AN UPPER SURFACE AND A TRAILING EDGE PORTION WITH A GENERALLY SPANWISE TRAILING EDGE AND AN UNDERSURFACE ADJACENT TO SAID TRAILING EDGE, AND A SECONDARY AIRFOIL-SHAPED WING MEMBER TRAILING SAID PRIMARY WING MEMBER AND HAVING A FIRST SPANWISE EDGE PORTION WITH A ROUNDED SURFACE ADJACENT AND SUBSTANTIALLY PARALLEL TO SAID TRAILING EDGE AND A SECOND SPANWISE EDGE PORTION TO THE REAR OF SAID FIRST EDGE PORTION AND MEANS PROVIDED TO MOVE SAID SECONDARY AIRFOIL-SHAPED WING MEMBER WITH RESPECT TO SAID PRIMARY WING MEMBER BETWEEN A TRAILING POSITION IN WHICH THE UNDERSURFACE OF SAID TRAILING EDGE PORTION AND SAID ROUNDED SURFACE OF SAID FIRST EDGE PORTION DEFINE CONTRACTING WALLS OF A PRINCIPAL HIGH LIFT SLOT BETWEEN SAID PRIMARY AND SECONDARY WING MEMBERS FOR REARWARD FLUID FLOW THERETHROUGH FROM BELOW SAID PRIMARY WING MEMBER TO ON TOP OF SAID SECONDARY WING MEMBER AND A RETRACTED POSITION IN WHICH SAID SECONDARY WING MEMBER IS POSITIONED FAIRED WITH AND ADJACENT TO SAID PRIMARY WING MEMBER BELOW SAID UPPER SURFACE IN AN INVERTED DISPOSITION IN WHICH SAID SECONDARY WING MEMBER IS APPROXIMATELY PARALLEL TO SAID PRIMARY WING MEMBER WITH SAID FIRST EDGE PORTION ADJACENT TO SAID TRAILING EDGE OF SAID PRIMARY MEMBER AND SAID SECOND EDGE PORTION FORWARD FROM SAID FIRST EDGE PORTION AND ADJACENT TO SAID UNDERSURFACE OF SAID PRIMARY WING MEMBER.
Claim 3
Dependent Claim
152 words
AN AIRCRAFT WING WITH A TRAILING EDGE PORTION AND A TRAILING EDGE AND A MOVABLE AIRFOIL SHAPED TRAILING EDGE FLAP WITH A ROUNDED SPANWISE EDGE PORTION, WITH SAID FLAP MOUNTED ON SAID TRAILING EDGE PORTION OF SAID WING FOR MOVEMENT BETWEEN A HIGH-LIFT FLAP POSITION IN WHICH SAID FLAP IS TO THE REAR OF SAID TRAILING EDGE PORTION AND INCLINED DOWNWARDLY WITH RESPECT TO SAID WING WITH SAID ROUNDED SPANWISE EDGE PORTION ADJACENT TO SAID WING TRAILING EDGE AND DEFINING, TOGETHER WITH THE UNDERSURFACE OF SAID TRAILING EDGE PORTION, CONVERGING WALLS OF A HIGH LIFT SLOT THEREBETWEEN TO DIRECT FLUID FLOW FROM BELOW SAID WING SMOOTHLY ACROSS SAID SLOT AND DOWNWARDLY ON TOP OF SAID FLAP, AND A LOW DRAG POSITION IN WHICH SAID FLAP IS FAIRED WITH SAID WING NESTED IN SAID TRAILING EDGE PORTION IN AN INVERTED FLAP POSITION WITH SAID FLAP ROUNDED EDGE ADJACENT TO SAID WING TRAILING EDGE.
Claim 4
Dependent Claim
152 words
AN AIRCRAFT WING WITH A TRAILING EDGE PORTION AND A TRAILING EDGE AND A MOVABLE AIRFOIL SHAPED TRAILING EDGE FLAP WITH A ROUNDED SPANWISE EDGE PORTION, WITH SAID FLAP MOUNTED ON SAID TRAILING EDGE PORTION OF SAID WING FOR MOVEMENT BETWEEN A HIGH-LIFT FLAP POSITION IN WHICH SAID FLAP IS TO THE REAR OF SAID TRAILING EDGE PORTION AND INCLINED DOWNWARDLY WITH RESPECT TO SAID WING WITH SAID ROUNDED SPANWISE EDGE PORTION ADJACENT TO SAID WING TRAILING EDGE AND DEFINING, TOGETHER WITH THE UNDERSURFACE OF SAID TRAILING EDGE PORTION, CONVERGING WALLS OF A HIGH LIFT SLOT THEREBETWEEN TO DIRECT FLUID FLOW FROM BELOW SAID WING SMOOTHLY ACROSS SAID SLOT AND DOWNWARDLY ON TOP OF SAID FLAP, AND A LOW DRAG POSITION IN WHICH SAID FLAP IS FAIRED WITH SAID WING NESTED IN SAID TRAILING EDGE PORTION IN AN INVERTED FLAP POSITION WITH SAID FLAP ROUNDED EDGE ADJACENT TO SAID WING TRAILING EDGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |