US3109611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balloon seam structure and method of sealing balloon materials
Assignee: Raven Industries Inc
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Filing: 1961-07-20
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Granted: 1963-11-05
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Paul E Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:12
CPC Classifications
D; D05; D05B; D05B93/00; B; B29; B29C; B29C65/00; B29C65/72; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/72; B29C66/723; B29C66/7234; B29C66/72343; B64; B64B; B64B1/00; B64B1/58; B29C66/71; B29L; B29L2022/00; B29L2022/02; B29L2022/022; D10; D10B; D10B2507/00; D10B2507/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A BALLOON CONSTRUCTION COMPRISING A BALLOON ENVELOPE HAVING AN OUTER LAYER OF FABRIC MATERIAL WITH A RELATIVELY HIGH TENSILE STRENGTH, AN INNER LAYER OF NONPOROUS GAS IMPERVIOUS MATERIAL COEXTENSIVE WITH THE OUTER LAYER, A THREAD-STITCHED SEAM JOINING ADJACENT EDGES OF THE COMBINED INNER AND OUTER LAYERS TO FORM A BALLOON ENVELOPE, A STRIP OF NON-POROUS GAS IMPERVIOUS MATERIAL WITHIN THE BALLOON OVER SAID SEAM INHIBITING THE LEAKAGE OF GAS THERETHROUGH, AND GAS IMPERVIOUS STRIP SEAMS JOINING THE STRIP TO THE INNER LAYER AT EACH SIDE OF SAID STITCHED SEAM.
Claim 2
Dependent Claim
89 words
A BALLOON CONSTRUCTION COMPRISING A BALLOON ENVELOPE HAVING AN OUTER LAYER OF FABRIC MATERIAL WITH A RELATIVELY HIGH TENSILE STRENGTH, AN INNER LAYER OF NONPOROUS GAS IMPERVIOUS MATERIAL COEXTENSIVE WITH THE OUTER LAYER, A THREAD-STITCHED SEAM JOINING ADJACENT EDGES OF THE COMBINED INNER AND OUTER LAYERS TO FORM A BALLOON ENVELOPE, A STRIP OF NON-POROUS GAS IMPERVIOUS MATERIAL WITHIN THE BALLOON OVER SAID SEAM INHIBITING THE LEAKAGE OF GAS THERETHROUGH, AND GAS IMPERVIOUS STRIP SEAMS JOINING THE STRIP TO THE INNER LAYER AT EACH SIDE OF SAID STITCHED SEAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |