US3104857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glide parachute
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:10
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/02; B64D17/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A DEPLOYABLE GLIDE PARACHUTE ASSEMBLY COMPRISING: AN UPPER FLEXIBLE INFLATED CANOPY MEMBER HAVING A CIRCUMFERENTIAL EDGE; A LOWER, DISH SHAPED MEMBER, PARTIALLY ENCLOSING THE UNDERSIDE OF THE CANOPY MEMBER, HAVING AN INNER PERIPHERAL EDGE DEFINING AN APERTURE AND HAVING AN OUTER PERIPHERAL EDGE ATTACHED TO THE CIRCUMFERENTIAL EDGE OF THE CANOPY MEMBER; WHEN DEPLOYED, THE PARACHUTE ASSEMBLY GENERATING AN AIR FOIL CONFIGURATION WITH LEADING AND TRAILING EDGES HAVING A PREDETERMINED CAMBER LINE IN A PLANE OF SYMMETRY EXTENDING BETWEEN THE LEADING AND TRAILING EDGES; THE DISTANCE BETWEEN THE CANOPY MEMBER AND THE LOWER MEMBER NORMAL TO THE CAMBER LINE AND IN THE PLANE OF SYMMETRY CONTINUOUSLY INCREASING AT A FIRST RATE FROM THE LEADING EDGE TO A MAXIMUM INTERMEDIATE THE LEADING AND TRAILING EDGES AND THEREAFTER DECREASING AT A SECOND RATE TO THE TRAILING EDGE; MEANS EXTENDING BETWEEN THE INNER PERIPHERAL EDGE OF THE LOWER MEMBER AND THE CANOPY TO MAINTAIN THE AIR FOIL CONFIGURATION WHEN THE PARACHUTE IS DEPLOYED; AND A PLURALITY OF SUSPENSION LINES SECURED TO THE CANOPY AT SPACED ANGULAR POSITIONS DISPOSED ABOUT THE PERIMETER OF THE CANOPY FOR SUPPORTING A LOAD.
Claim 2
Dependent Claim
185 words
A DEPLOYABLE GLIDE PARACHUTE ASSEMBLY COMPRISING: AN UPPER FLEXIBLE INFLATED CANOPY MEMBER HAVING A CIRCUMFERENTIAL EDGE; A LOWER, DISH SHAPED MEMBER, PARTIALLY ENCLOSING THE UNDERSIDE OF THE CANOPY MEMBER, HAVING AN INNER PERIPHERAL EDGE DEFINING AN APERTURE AND HAVING AN OUTER PERIPHERAL EDGE ATTACHED TO THE CIRCUMFERENTIAL EDGE OF THE CANOPY MEMBER; WHEN DEPLOYED, THE PARACHUTE ASSEMBLY GENERATING AN AIR FOIL CONFIGURATION WITH LEADING AND TRAILING EDGES HAVING A PREDETERMINED CAMBER LINE IN A PLANE OF SYMMETRY EXTENDING BETWEEN THE LEADING AND TRAILING EDGES; THE DISTANCE BETWEEN THE CANOPY MEMBER AND THE LOWER MEMBER NORMAL TO THE CAMBER LINE AND IN THE PLANE OF SYMMETRY CONTINUOUSLY INCREASING AT A FIRST RATE FROM THE LEADING EDGE TO A MAXIMUM INTERMEDIATE THE LEADING AND TRAILING EDGES AND THEREAFTER DECREASING AT A SECOND RATE TO THE TRAILING EDGE; MEANS EXTENDING BETWEEN THE INNER PERIPHERAL EDGE OF THE LOWER MEMBER AND THE CANOPY TO MAINTAIN THE AIR FOIL CONFIGURATION WHEN THE PARACHUTE IS DEPLOYED; AND A PLURALITY OF SUSPENSION LINES SECURED TO THE CANOPY AT SPACED ANGULAR POSITIONS DISPOSED ABOUT THE PERIMETER OF THE CANOPY FOR SUPPORTING A LOAD.
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |