Patent US3240445A successfully refreshed from Google Patents.
US3240445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated aircraft elements
Assignee: Individual
•
Filing: 1962-03-01
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Granted: 1966-03-15
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Floyd P Ellzey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:01
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/02; B64C21/04; B64C2230/00; B64C2230/04; B64C2230/06; B64C2230/16; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
105 words
A SPIRALLY WRAPPED ELONGATE TUBULAR BODY INCLUDING, A REINFORCING INNER SHEET WITH ITS EDGE PORTIONS IN LAPPED ENGAGEMENT AND WITH MARGINAL RIBS AT SAID EDGE POSITIONS AND A RIB INTERMEDIATE SAID EDGE PORTIONS, AND A FLAT OUTER SHEET OVERLYING SAID INNER SHEET TO ENGAGE SAID RIBS AND WITH ITS EDGE PORTIONS IN SLIDING LAPPED ENGAGEMENT AT SAID INTERMEDIATE RIB AND WITH THE OUTERMOST OF ITS OVERLAPPED EDGE PORTIONS FASTENED TO SAID INTERMEDIATE RIB, THE OUTER SHEET BEING FASTENED TO ONE OF SAID EDGE PORTIONS OF THE INNER SHEET, AND THE TWO SHEETS BEING CONTINUOUSLY WRAPPED AND THE EDGES THEREOF BEING OFFSET LONGITUDINALLY OF THE BODY.
Claim 2
Dependent Claim
105 words
A SPIRALLY WRAPPED ELONGATE TUBULAR BODY INCLUDING, A REINFORCING INNER SHEET WITH ITS EDGE PORTIONS IN LAPPED ENGAGEMENT AND WITH MARGINAL RIBS AT SAID EDGE POSITIONS AND A RIB INTERMEDIATE SAID EDGE PORTIONS, AND A FLAT OUTER SHEET OVERLYING SAID INNER SHEET TO ENGAGE SAID RIBS AND WITH ITS EDGE PORTIONS IN SLIDING LAPPED ENGAGEMENT AT SAID INTERMEDIATE RIB AND WITH THE OUTERMOST OF ITS OVERLAPPED EDGE PORTIONS FASTENED TO SAID INTERMEDIATE RIB, THE OUTER SHEET BEING FASTENED TO ONE OF SAID EDGE PORTIONS OF THE INNER SHEET, AND THE TWO SHEETS BEING CONTINUOUSLY WRAPPED AND THE EDGES THEREOF BEING OFFSET LONGITUDINALLY OF THE BODY.
Claim 3
Dependent Claim
74 words
AN AIRCRAFT HAVING A VENTILATED WING ELEMENT AND A MOVABLE FLAP-LIKE CONTROL SURFACE ELEMENT COMPRISING THE TRAILING EDGE OF THE WING, AND SAID WING ELEMENT INCLUDING, A CORRUGATED REINFORCING INNER SHEET, A FLAT OUTER BETWEEN, SAID DUCTS BEING DISPOSED IN A DIRECTION SUBSTANTIALLY COINCIDENTAL WITH THE LINE OF FLIGHT, PORTS IN THE CORRUGATIONS TO DIRECT FLOW THROUGH SAID DUCTS, THE SAID CHARGE OVER THE CONTROL SURFACE ELEMENT, AND MEANS SUPPLYING FLUID TO THE PORTS.
Claim 4
Dependent Claim
74 words
AN AIRCRAFT HAVING A VENTILATED WING ELEMENT AND A MOVABLE FLAP-LIKE CONTROL SURFACE ELEMENT COMPRISING THE TRAILING EDGE OF THE WING, AND SAID WING ELEMENT INCLUDING, A CORRUGATED REINFORCING INNER SHEET, A FLAT OUTER BETWEEN, SAID DUCTS BEING DISPOSED IN A DIRECTION SUBSTANTIALLY COINCIDENTAL WITH THE LINE OF FLIGHT, PORTS IN THE CORRUGATIONS TO DIRECT FLOW THROUGH SAID DUCTS, THE SAID CHARGE OVER THE CONTROL SURFACE ELEMENT, AND MEANS SUPPLYING FLUID TO THE PORTS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |