US3312902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-erecting floating structure
Assignee: McDonnell Aircraft Corp
•
Filing: 1964-06-29
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Granted: 1967-04-04
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Dean
- 👤 Kenneth E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:49
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/04; B63B22/08; B63B22/12; G; G08; G08B; G08B5/00; G08B5/002; B63B2201/00; B63B2201/16; B63B2209/00; B63B2209/02; B63B2209/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN EMERGENCY WARNING DEVICE COMPRISING A COLLAPSIBLE BALLOON-LIKE MEMBER, A UNIT INCLUDING A GAS PRESSURE CONTAINER INCLUDING MEANS ENERGIZABLE TO RELEASE THE PRESSURE THEREIN INTO THE BALLOON TO INFLATE THE BALLOON AND A SIGNAL TRANSMITTER, SAID UNIT BEING POSITIONED ON THE INTERIOR SURFACE OF THE BALLOON, A FLEXIBLE CONDUCTIVE MEMBER FORMING AN ANTENNA HAVING ONE END CONNECTED TO THE TRANSMITTER AND AN OPPOSITE END CONNECTED TO THE BALLOON ON THE OPPOSITE SIDE THEREOF FROM THE TRANSMITTER, SAID ANTENNA HAVING A LENGTH APPROXIMATELY EQUAL TO THE DIAMETER OF THE BALLOON TO EXTEND ACROSS THE INSIDE OF THE BALLOON WHEN THE BALLOON IS INFLATED BY THE GAS PRESSURE CONTAINER AND MEANS RESPONSIVE TO EXPOSURE OF A LIQUID IN WHICH THE DEVICE IS POSITIONED FOR ENERGIZING SAID PRESSURE RELEASE MEANS TO RELEASE THE GAS PRESSURE IN THE GAS PRESSURE CONTAINER INTO THE BALLOON.
Claim 2
Dependent Claim
140 words
AN EMERGENCY WARNING DEVICE COMPRISING A COLLAPSIBLE BALLOON-LIKE MEMBER, A UNIT INCLUDING A GAS PRESSURE CONTAINER INCLUDING MEANS ENERGIZABLE TO RELEASE THE PRESSURE THEREIN INTO THE BALLOON TO INFLATE THE BALLOON AND A SIGNAL TRANSMITTER, SAID UNIT BEING POSITIONED ON THE INTERIOR SURFACE OF THE BALLOON, A FLEXIBLE CONDUCTIVE MEMBER FORMING AN ANTENNA HAVING ONE END CONNECTED TO THE TRANSMITTER AND AN OPPOSITE END CONNECTED TO THE BALLOON ON THE OPPOSITE SIDE THEREOF FROM THE TRANSMITTER, SAID ANTENNA HAVING A LENGTH APPROXIMATELY EQUAL TO THE DIAMETER OF THE BALLOON TO EXTEND ACROSS THE INSIDE OF THE BALLOON WHEN THE BALLOON IS INFLATED BY THE GAS PRESSURE CONTAINER AND MEANS RESPONSIVE TO EXPOSURE OF A LIQUID IN WHICH THE DEVICE IS POSITIONED FOR ENERGIZING SAID PRESSURE RELEASE MEANS TO RELEASE THE GAS PRESSURE IN THE GAS PRESSURE CONTAINER INTO THE BALLOON.
References Cited (Backward Citations)
US1485776A
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US2310017A
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US2497852A
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US2470783A
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US2907875A
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US3095568A
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US3024358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |