US3144224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Escape hatches for passenger airliner
Assignee: Individual
•
Filing: 1962-09-28
•
Granted: 1964-08-11
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Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Dee B Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:23
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN AIRLINER FUSELAGE ESCAPE HATCH STRUCTURE COMPRISING A PASSAGE BETWEEN THE FUSELAGE PASSENGER CABIN CEILING AND THE DORSAL PORTION OF THE FUSELAGE, AN UPPER DOOR CLOSING THE OUTER END OF SAID PASSAGE, A LOWER DOOR CLOSING THE INNER END OF SAID PASSAGE, AND COMMON OPERATING MEANS OPERATIVELY CONNECTED TO BOTH OF SAID DOORS TO EFFECT OPENING OF SAID TWO DOORS AND INCLUDING TWO MANIPULATING ELEMENTS ON OPPOSITE SIDES OF SAID TWO DOORS, RESPECTIVELY, ONE OF SAID MANIPULATING ELEMENTS BEING OPERABLE FROM WITHIN THE FUSELAGE TO EFFECT MOVEMENT OF SAID OPERATING MEANS TO OPEN BOTH OF SAID DOORS AND THE OTHER OF SAID MANIPULATING ELEMENTS BEING OP-
Claim 2
Dependent Claim
106 words
AN AIRLINER FUSELAGE ESCAPE HATCH STRUCTURE COMPRISING A PASSAGE BETWEEN THE FUSELAGE PASSENGER CABIN CEILING AND THE DORSAL PORTION OF THE FUSELAGE, AN UPPER DOOR CLOSING THE OUTER END OF SAID PASSAGE, A LOWER DOOR CLOSING THE INNER END OF SAID PASSAGE, AND COMMON OPERATING MEANS OPERATIVELY CONNECTED TO BOTH OF SAID DOORS TO EFFECT OPENING OF SAID TWO DOORS AND INCLUDING TWO MANIPULATING ELEMENTS ON OPPOSITE SIDES OF SAID TWO DOORS, RESPECTIVELY, ONE OF SAID MANIPULATING ELEMENTS BEING OPERABLE FROM WITHIN THE FUSELAGE TO EFFECT MOVEMENT OF SAID OPERATING MEANS TO OPEN BOTH OF SAID DOORS AND THE OTHER OF SAID MANIPULATING ELEMENTS BEING OP-
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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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |