US3168266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supporting air-borne loads
Assignee: Raven Industries Inc
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Filing: 1961-12-22
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Granted: 1965-02-02
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Paul E Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:21
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; B64B1/62; F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B8/00; F42B8/12; F42B8/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SYSTEM FOR RECOVERING AN AIR-BORNE LOAD WHICH COMPRISES A PARACHUTE CONNECTED TO THE LOAD FOR CARRYING ALOFT AND FOR EJECTION AT THE BEGINNING OF A FIRST PHASE OF LOAD DESCENT TO REDUCE THE RATE OF DESCENT OF THE LOAD, A BALLOON ENVELOPE CONNECTED TO THE LOAD AT ITS LOWER END AND CONNECTED TO THE PARACHUTE, MEANS RELEASING THE BALLOON AT THE BEGINNING OF A SECOND PHASE OF DESCENT FOR BEING DRAWN AWAY FROM THE LOAD BY PARACHUTE, MEANS RAPIDLY PRE-INFLATING THE BALLOON AT THE BEGINNING OF THE SECOND PHASE, AND MEANS FOR INFLATING THE BALLOON WITH HEATED GAS DURING SAID SECOND PHASE FOR APPLYING A VERTICAL SUPPORTING LIFT TO THE LOAD.
Claim 2
Independent Claim
112 words
A SYSTEM FOR RECOVERING AN AIR-BORNE LOAD WHICH COMPRISES A PARACHUTE CONNECTED TO THE LOAD FOR CARRYING ALOFT AND FOR EJECTION AT THE BEGINNING OF A FIRST PHASE OF LOAD DESCENT TO REDUCE THE RATE OF DESCENT OF THE LOAD, A BALLOON ENVELOPE CONNECTED TO THE LOAD AT ITS LOWER END AND CONNECTED TO THE PARACHUTE, MEANS RELEASING THE BALLOON AT THE BEGINNING OF A SECOND PHASE OF DESCENT FOR BEING DRAWN AWAY FROM THE LOAD BY PARACHUTE, MEANS RAPIDLY PRE-INFLATING THE BALLOON AT THE BEGINNING OF THE SECOND PHASE, AND MEANS FOR INFLATING THE BALLOON WITH HEATED GAS DURING SAID SECOND PHASE FOR APPLYING A VERTICAL SUPPORTING LIFT TO THE LOAD.
References Cited (Backward Citations)
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Cited
US1043836A
Cited
GB555831A
Cited
US2478758A
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US2892602A
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US2967677A
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US3120932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |