US2523312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balloon envelope fabric
Assignee: Individual
•
Filing: 1941-03-07
•
Granted: 1950-09-26
•
Expires: 1961-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leboime Rene
- 👤 Jacqueau Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:36
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; B64B1/64; D; D03; D03D; D03D11/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A BALLOON ENVELOPE FABRIC IMPERMEABLE TO GASES AND POSSESSING THE PROPERTIES OF FLEXIBILITY AND FIRE-RESISTANCE WHICH COMPRISES AN OUTER LAYER OF FLEXIBLE WOVEN MINERAL FABRIC, AN INNER LAYER OF A FLEXIBLE WOVEN ORGANIC TEXTILE FABRIC AND A COATING OF PLASTIC MATERIAL ON SAID SECOND MENTIONED LAYER TO MAKE IT IMPERVIOUS TO GASES, THE SECOND MENTIONED LAYER BEING UNITED TO AND IN CONTACT WITH THE FIRST MENTIONED LAYER OVER THE WHOLE OF THE CONTIGUOUS SURFACES OF THESE TWO LAYERS.
Claim 2
Dependent Claim
78 words
A BALLOON ENVELOPE FABRIC IMPERMEABLE TO GASES AND POSSESSING THE PROPERTIES OF FLEXIBILITY AND FIRE-RESISTANCE WHICH COMPRISES AN OUTER LAYER OF FLEXIBLE WOVEN MINERAL FABRIC, AN INNER LAYER OF A FLEXIBLE WOVEN ORGANIC TEXTILE FABRIC AND A COATING OF PLASTIC MATERIAL ON SAID SECOND MENTIONED LAYER TO MAKE IT IMPERVIOUS TO GASES, THE SECOND MENTIONED LAYER BEING UNITED TO AND IN CONTACT WITH THE FIRST MENTIONED LAYER OVER THE WHOLE OF THE CONTIGUOUS SURFACES OF THESE TWO LAYERS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |