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US3155343A Expired / Lapsed US ⏱️ 0.0 years remaining

Convertible aircraft structure

Assignee: Individual
•
Filing: 1962-01-18
•
Granted: 1964-11-03
•
Expires: 1982-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Black John Oliver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 08:39
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 77 words
AN AIRCRAFT COMPRISING A CIRCULAR FUSELAGE HAVING A CENTRAL OPENING THERETHROUGH, A CENTRAL ROTATABLE NOSE PORTION SUPPORTED WITHIN THE CENTRAL OPENING OF SAID FUSELAGE AND HAVING ITS OUTER PERIPHERY SPACED FROM THE INNER PERIPHERY OF THE CENTRAL OPENING IN SAID FUSELAGE, AND POWER MEANS SUPPORTED BY SAID NOSE PORTION AND HAVING ITS AXIS MOVABLE RELATIVE TO THE AXIS OF SAID NOSE PORTION FOR PRODUCING AN AIR CURRENT THROUGH THE SPACE BETWEEN SAID NOSE PORTION AND SAID FUSELAGE.

References Cited (Backward Citations)

US2835458A Cited
US3002709A Cited
US2996269A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-11-03 1968-05-04 1968-11-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-11-03 1972-05-04 1972-11-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-11-03 1976-05-04 1976-11-03 $7700.00 Window Closed / Lapsed

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