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US3086730A Expired / Lapsed US ⏱️ 0.0 years remaining

Retractable wing

Assignee: Individual
•
Filing: 1960-03-11
•
Granted: 1963-04-23
•
Expires: 1980-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 Meredith F Crist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 21:54
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/54; Y; Y02; Y02T; Y02T50/00; Y02T50/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 174 words
IN AN AIRPLANE WHICH HAS WING SEMI-SPANS CONSISTING OF INBOARD PANELS AND TIP PORTIONS, MEANS CONNECTING THE TIP PORTIONS WITH THE INBOARD PANELS FOR EXTENSION AND RETRACTION WITH REFERENCE TO THE INBOARD PANELS, LANDING WHEELS AND STRUTS, SAID STRUTS PIVOTED TO SAID INBOARD PANELS, COVER PANELS OPERATIVELY CONNECTED WITH SAID STRUTS AND SAID TIP PORTIONS TO ACTUATE SAID STRUTS BETWEEN EXTENDED AND RETRACTED POSITIONS IN COORDINATION WITH THE EXTENSION AND RETRACTION OF SAID TIP PORTIONS, A NOSE WHEEL, A STRUT PIVOTED AT ITS UPPER END TO THE AIRPLANE FRAME, A LIFT AND DRAG PRODUCING COVER PANEL CONNECTED WITH THE NOSE WHEEL STRUT AND THE FRAME OF THE AIRPLANE, AND MEANS OPERABLE DURING THE EXTENSION AND RETRACTION OF SAID TIP PORTIONS FOR ADJUSTING THE POSITION OF THE LAST MENTIONED PANEL AND ACTUATING THE NOSE WHEEL AND STRUT RELATIVE TO THE AIRPLANE, FAIRINGS CONNECTED BETWEEN SAID TIP PORTIONS AND SAID INBOARD PANELS AND MOVABLE WITH SAID TIP PORTIONS AS SAID TIP PORTIONS ARE ADJUSTED TO COVER THE OPENINGS BETWEEN THE INBOARD PANELS AND SAID TIP PORTIONS.

References Cited (Backward Citations)

US1904281A Cited
US2249729A Cited
US2425306A Cited
US2570534A Cited
US2858091A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-22 1966-10-22 1967-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-22 1970-10-22 1971-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-22 1974-10-22 1975-04-23 $7700.00 Window Closed / Lapsed

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