US3719146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial flare with drogue parachute
Assignee: ATK Launch Systems LLC
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Filing: 1971-06-11
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Granted: 1973-03-06
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Expires: 1991-06-11
Abstract
Abstract D R A W I N G A SPECIALLY DESIGNED DROGUE PARACHUTE IS ATTACHED TO THE HOUSING OF AN AERIAL FLARE TO INHIBIT SPINNING, WHICH OTHERWISEIMPAIRS FUNCTIONING OF TIMING MECHANISMS WHEN SUCH FLARES ARE DEPLOYED WITH EXTENSIVE FREE FALLS, AS FROM HIGH ALTITUDES. THE OPEN END OF THE SACK-LIKE PARACHUTE HAS A REINFORCING RING THAT ALSO FUNCTIONS ASA SPRING TO OPEN THE PARACHUTE WHENN IT IS DEPLOYED.
Inventors
- 👤 J Thurston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
F; F21; F21L; F21L17/00; F42; F42B; F42B4/00; F42B4/26; F42B4/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |