US3346441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-inflated structures
Assignee: Birdair Structures Inc
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Filing: 1963-04-08
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Granted: 1967-10-10
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Walter W Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:20
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H15/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T428/00; Y10T428/19; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24314
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN AN AIR-INFLATED BUILDING CONSTRUCTION, A PAIR OF ADJACENT PANELS OF FLEXIBLE WOVEN MATERIAL HAVING SIDE EDGE PORTIONS THEREOF IN OVERLAPPED FACETO-FACE RELATION AND BONDED TOGETHER SUBSTANTIALLY THROUGHOUT THE AREA OF SUCH EDGE PORTIONS, EACH SUCH EDGE PORTION HAVING A CENTRAL REGION AND INNER AND OUTER ZONES ON EITHER SIDE THEREOF WITH THE CENTRAL REGIONS OF THE TWO EDGE PORTIONS BEING IN OPPOSED RELATION SO THAT THE INNER ZONE OF ONE EDGE PORTION IS OPPOSED TO THE OUTER ZONE OF THE OTHER EDGE PORTION AND VICE VERSA, THE MAIN BODY PORTIONS OF SAID PANELS, EXCLUSIVE OF THE STATED SIDE EDGE PORTION, HAVING A GIVEN RESISTANCE TO ELONGATION, SAID SIDE EDGE PORTIONS HAVING THEIR OUTER ZONES CONSTRUCTED TO EXHIBIT LESS RESISTANCE TO ELONGATION THAN
Claim 2
Dependent Claim
123 words
IN AN AIR-INFLATED BUILDING CONSTRUCTION, A PAIR OF ADJACENT PANELS OF FLEXIBLE WOVEN MATERIAL HAVING SIDE EDGE PORTIONS THEREOF IN OVERLAPPED FACETO-FACE RELATION AND BONDED TOGETHER SUBSTANTIALLY THROUGHOUT THE AREA OF SUCH EDGE PORTIONS, EACH SUCH EDGE PORTION HAVING A CENTRAL REGION AND INNER AND OUTER ZONES ON EITHER SIDE THEREOF WITH THE CENTRAL REGIONS OF THE TWO EDGE PORTIONS BEING IN OPPOSED RELATION SO THAT THE INNER ZONE OF ONE EDGE PORTION IS OPPOSED TO THE OUTER ZONE OF THE OTHER EDGE PORTION AND VICE VERSA, THE MAIN BODY PORTIONS OF SAID PANELS, EXCLUSIVE OF THE STATED SIDE EDGE PORTION, HAVING A GIVEN RESISTANCE TO ELONGATION, SAID SIDE EDGE PORTIONS HAVING THEIR OUTER ZONES CONSTRUCTED TO EXHIBIT LESS RESISTANCE TO ELONGATION THAN
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |