US3298142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reelable reversibly flexible and rigid structural members
Assignee: Individual
•
Filing: 1964-08-19
•
Granted: 1967-01-17
•
Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Isaac Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:19
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/005; B; B64; B64C; B64C27/00; B64C27/32; B64C27/46; E04H; E04H15/00; E04H15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918; Y10T137/6954
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
171 words
AN INFLATABLE STRUCTURAL MEMBER, WHICH IS FLEXIBLE AND REELABLE WHEN DEFLATED AND RIGID WHEN INFLATED, AT LEAST INCLUDING, IN COMBINATION, TWO RESILIENT ELEMENTS WHICH ARE PREDOMINANTLY FLAT AND PARALLEL TO EACH OTHER WHEN SAID INFLATABLE STRUCTURAL MEMBER IS IN A FLEXIBLE STATE AND DISHED OUTWARDLY FROM EACH OTHER WHEN SAID INFLATABLE STRUCTURAL MEMBER IS IN A RIGID STATE, ELEMENT JOINING MEANS, SHAPE CONTROLLING MEANS FOR DEFINING THE EXTERNAL SHAPE OF SAID INFLATABLE STRUCTURAL MEMBER WHEN INFLATED SAID SHAPE CONTROLLING MEANS COMPRISING AT LEAST ONE AUXILIARY INFLATABLE MEMBER WHICH IS LOCATED BETWEEN AND ATTACHED TO SAID RESILIENT ELEMENTS AND ORIENTED PARALLEL TO THE LONGITUDINAL AXIS THEREOF, SAID AUXILIARY INFLATABLE MEMBER INCLUDING TWO AUXILIARY RESILIENT ELEMENTS WHICH ARE PREDOMINANTLY FLAT AND PARALLEL TO EACH OTHER WHEN SAID INFLATABLE STRUCTURAL MEMBER IS DEFLATED AND DISHED FROM EACH OTHER WHEN INFLATED, SEALING MEANS FOR RETAINING FLUID BETWEEN SAID AUXILIARY RESILIENT ELEMENTS WHEN SAID AUXILIARY INFLATABLE MEMBER IS INFLATED, INFLATING MEANS FOR INFLATING AND DEFLATING SAID AUXILIARY INFLATABLE MEMBER, SAID AUXILIARY INFLATABLE MEMBER CONTROLLING THE EX-
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |