Patent US3113748A successfully refreshed from Google Patents.
US3113748A
Expired / Lapsed
US
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Assignee: Individual
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Filing: 1962-04-06
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Granted: 1963-12-10
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Expires: 1982-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur D Struble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:52
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A HIGH ALTITUDE BALLOON COMPRISING: (A) A BALLOON ENVELOPE, (B) A GAS INLET FOR SAID BALLOON ENVELOPE, (C) AT LEAST ONE PORTION OF SAID BALLOON ENVELOPE BEING FOLDED INWARDLY AND HELD INWARDLY BY AT LEAST ONE RUPTURABLE SEAM, (D) SAID SEAM BEING SUFFICIENTLY STRONG THAT IT WILL NOT RUPTURE UNDER THE OUTWARD PRESSURE EXERTED BY AN AMOUNT OF GAS JUST SUFFICIENT TO CAUSE THE BALLOON TO ASCEND FROM ITS LAUNCH AREA, AND (E) SAID SEAM BEING SUFFICIENTLY WEAK SO THAT IT WILL RUPTURE WHEN THE OUTWARD PRESSURE WITHIN THE BALLOON EXCEEDS BY A PREDETERMINED AMOUNT THE OUTWARD PRESSURE WHICH IS JUST SUFFICIENT TO CAUSE THE BALLOON TO ASCEND FROM ITS LAUNCH AREA.
Claim 2
Dependent Claim
112 words
A HIGH ALTITUDE BALLOON COMPRISING: (A) A BALLOON ENVELOPE, (B) A GAS INLET FOR SAID BALLOON ENVELOPE, (C) AT LEAST ONE PORTION OF SAID BALLOON ENVELOPE BEING FOLDED INWARDLY AND HELD INWARDLY BY AT LEAST ONE RUPTURABLE SEAM, (D) SAID SEAM BEING SUFFICIENTLY STRONG THAT IT WILL NOT RUPTURE UNDER THE OUTWARD PRESSURE EXERTED BY AN AMOUNT OF GAS JUST SUFFICIENT TO CAUSE THE BALLOON TO ASCEND FROM ITS LAUNCH AREA, AND (E) SAID SEAM BEING SUFFICIENTLY WEAK SO THAT IT WILL RUPTURE WHEN THE OUTWARD PRESSURE WITHIN THE BALLOON EXCEEDS BY A PREDETERMINED AMOUNT THE OUTWARD PRESSURE WHICH IS JUST SUFFICIENT TO CAUSE THE BALLOON TO ASCEND FROM ITS LAUNCH AREA.
References Cited (Backward Citations)
US2954191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |