US3226060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled excess material balloon
Assignee: Raven Industries Inc
•
Filing: 1964-02-28
•
Granted: 1965-12-28
•
Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 James A Winker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:53
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A BALLOON STRUCTURE COMPRISING IN COMBINATION, A BALLOON ENVELOPE FORMED OF LIGHTWEIGHT FLEXIBLE MATERIAL, A PLURALITY OF VERTICAL FOLDS IN THE ENVELOPE WITH THE FACING LAYERS OF MATERIAL OF EACH FOLD JOINED BY A SEPARABLE BOND WHICH HAS AN INCREASING STRENGTH FROM THE EXPOSED TO THE INNER EDGE OF THE FOLD SO THAT THE FOLDS WILL PROGRESSIVELY AND UNIFORMLY SEPARATE WITH RESPECT TO EACH OTHER DUE TO THE INCREASE IN VOLUME OF LIFTING GAS WITHIN THE ENVELOPE, AND MEANS FOR SUPPORTING A PAYLOAD ON THE BALLOON ENVELOPE.
Claim 2
Dependent Claim
87 words
A BALLOON STRUCTURE COMPRISING IN COMBINATION, A BALLOON ENVELOPE FORMED OF LIGHTWEIGHT FLEXIBLE MATERIAL, A PLURALITY OF VERTICAL FOLDS IN THE ENVELOPE WITH THE FACING LAYERS OF MATERIAL OF EACH FOLD JOINED BY A SEPARABLE BOND WHICH HAS AN INCREASING STRENGTH FROM THE EXPOSED TO THE INNER EDGE OF THE FOLD SO THAT THE FOLDS WILL PROGRESSIVELY AND UNIFORMLY SEPARATE WITH RESPECT TO EACH OTHER DUE TO THE INCREASE IN VOLUME OF LIFTING GAS WITHIN THE ENVELOPE, AND MEANS FOR SUPPORTING A PAYLOAD ON THE BALLOON ENVELOPE.
References Cited (Backward Citations)
US2858090A
Cited
US3113748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |