Patent US3411072A successfully refreshed from Google Patents.
Patent US3170658A successfully refreshed from Google Patents.
US3170658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid controlled balloon inflation mechanism
Assignee: Raven Industries Inc
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Filing: 1961-09-05
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Granted: 1965-02-23
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Paul E Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:57
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; B64B1/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A MECHANISM FOR LAUNCHING AND FLYING A BALLOON COMPRISING, A LARGE CAPACITY AIR CONDUIT HAVING A FLEXIBLE PORTION AND A DISCHARGE TUBE END FOR INSERTION INTO AN OPENING IN A BALLOON, A HIGH CAPACITY BLOWER ADAPTED FOR OPERATION ON THE GROUND CONNECTED TO SAID CONDUIT FOR DELIVERING A LARGE VOLUME OF AIR AT A PREDETERMINED FLOW RATE, A BURNER MEANS FOR SAID AIR CONDUIT HEATING THE AIR FLOWING THROUGH THE CONDUIT, A FUEL SUPPLY LINE CONNECTED TO THE BURNER MEANS A GROUND LOCATED FUEL SUPPLY CONNECTED TO THE SUPPLY LINE, VALVE MEANS FOR CONTROLLING THE FLOW OF FUEL TO THE BURNER MEANS THROUGH SAID FUEL LINE AND LIMITING OPERATION OF THE BURNER MEANS MAINTAINING THE TEMPERATURE OF AIR FLOWING THROUGH THE CONDUIT AT A SAFE MAXIMUM LEVEL RELATIVE TO THE MATERIAL OF THE BALLOON, AND A GAS GENERATING BURNER ATTACHED TO THE BALLOON FOR CARRYING ALOFT HAVING A RELATIVELY LOW GAS DELIVERY PROVIDING A HEATED LIFTING GAS FOR THE BALLOON AFTER IT HAS BEEN LAUNCHED.
Claim 2
Dependent Claim
165 words
A MECHANISM FOR LAUNCHING AND FLYING A BALLOON COMPRISING, A LARGE CAPACITY AIR CONDUIT HAVING A FLEXIBLE PORTION AND A DISCHARGE TUBE END FOR INSERTION INTO AN OPENING IN A BALLOON, A HIGH CAPACITY BLOWER ADAPTED FOR OPERATION ON THE GROUND CONNECTED TO SAID CONDUIT FOR DELIVERING A LARGE VOLUME OF AIR AT A PREDETERMINED FLOW RATE, A BURNER MEANS FOR SAID AIR CONDUIT HEATING THE AIR FLOWING THROUGH THE CONDUIT, A FUEL SUPPLY LINE CONNECTED TO THE BURNER MEANS A GROUND LOCATED FUEL SUPPLY CONNECTED TO THE SUPPLY LINE, VALVE MEANS FOR CONTROLLING THE FLOW OF FUEL TO THE BURNER MEANS THROUGH SAID FUEL LINE AND LIMITING OPERATION OF THE BURNER MEANS MAINTAINING THE TEMPERATURE OF AIR FLOWING THROUGH THE CONDUIT AT A SAFE MAXIMUM LEVEL RELATIVE TO THE MATERIAL OF THE BALLOON, AND A GAS GENERATING BURNER ATTACHED TO THE BALLOON FOR CARRYING ALOFT HAVING A RELATIVELY LOW GAS DELIVERY PROVIDING A HEATED LIFTING GAS FOR THE BALLOON AFTER IT HAS BEEN LAUNCHED.
References Cited (Backward Citations)
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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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |