Patent US3089669A successfully refreshed from Google Patents.
US3089669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible cylinder launcher
Assignee: Individual
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Filing: 1961-04-28
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Granted: 1963-05-14
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Broudo Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:41
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; B; B64; B64F; B64F1/00; B64F1/04; B64F1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN AN AIRCRAFT LAUNCHING APPARATUS, A LONGITUDINAL TRACKWAY, A SHUTTLE IN SAID TRACKWAY ADAPTED FOR COUPLING TO AN AIRCRAFT, SAID SHUTTLE HAVING A HOLLOW, OPEN-ENDED BODY, OPPOSED ROLLERS MOUNTED WITHIN SAID BODY, A FLEXIBLE, NONEXTENSIBLE, INFLATABLE CYLINDER DISPOSED IN SAID TRACKWAY AND PASSING THROUGH SAID SHUTTLE BODY BETWEEN SAID ROLLERS AND BEING PINCHED CLOSED THEREBY, MEANS FOR INFLATING SAID CYLINDER FROM ONE END THEREOF WITH FLUID, WHEREBY A FORCE IS EXERTED ON THE WALL OF SAID CYLINDER CAUSING SAID SHUTTLE TO MOVE LONGITUDINALLY THEREOF, A SPEAR PROJECTING FROM THE FORWARD END OF SAID SHUTTLE, AND HARD COMMINUTED MATERIAL FILLING THE END-OF-LAUNCH PORTION OF SAID TRACKWAY WHEREBY FORWARD MOVEMENT OF
Claim 2
Dependent Claim
109 words
IN AN AIRCRAFT LAUNCHING APPARATUS, A LONGITUDINAL TRACKWAY, A SHUTTLE IN SAID TRACKWAY ADAPTED FOR COUPLING TO AN AIRCRAFT, SAID SHUTTLE HAVING A HOLLOW, OPEN-ENDED BODY, OPPOSED ROLLERS MOUNTED WITHIN SAID BODY, A FLEXIBLE, NONEXTENSIBLE, INFLATABLE CYLINDER DISPOSED IN SAID TRACKWAY AND PASSING THROUGH SAID SHUTTLE BODY BETWEEN SAID ROLLERS AND BEING PINCHED CLOSED THEREBY, MEANS FOR INFLATING SAID CYLINDER FROM ONE END THEREOF WITH FLUID, WHEREBY A FORCE IS EXERTED ON THE WALL OF SAID CYLINDER CAUSING SAID SHUTTLE TO MOVE LONGITUDINALLY THEREOF, A SPEAR PROJECTING FROM THE FORWARD END OF SAID SHUTTLE, AND HARD COMMINUTED MATERIAL FILLING THE END-OF-LAUNCH PORTION OF SAID TRACKWAY WHEREBY FORWARD MOVEMENT OF
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |