US3228634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-drag apparatus for missiles
Assignee: Individual
•
Filing: 1963-07-18
•
Granted: 1966-01-11
•
Expires: 1983-07-18
Abstract
No abstract record available.
Inventors
- 👤 Chakoian George
- 👤 Russell T Crowell
- 👤 Ouellette Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:19
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/50; F42B10/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN APPARATUS FOR USE IN THE RETARDATION AND STABILIZATON OF AIRBORNE MISSILES DURING DESCENDING FLIGHT COMPRISING HYDRAULIC MEANS HAVING A BASE MEMBER, A PLURALITY OF VANE MEMBERS PIVOTALLY MOUNTED IN SPACED RELATIONSHIP AROUND SAID BASE MEMBER, EACH OF SAID VANE MEMBERS BEING INTERCONNECTED TO ADJACENT VANE MEMBERS BY A PLURALITY OF WEBBING MEMBERS, EVERY OTHER OF SAID VANE MEMBERS HAVING A BODY PORTION COUPLED THROUGH MECHANICAL LINKAGE TO SAID HYDRAULIC MEANS WHEREBY A COMPRESSIVE PRESSURE IS TRANSMITTED FROM SAID VANE MEMBERS THROUGH SAID MECHANICAL LINKAGE TO SAID HYDRAULIC MEANS WHEN DYNAMIC AIR PRESSURE ACTS ON SAID VANE MEMBERS, SAID COMPRESSIVE PRESSURE FORCING FLUID FROM SAID HYDRAULIC MEANS, AND VALVING MEANS COOPERATING WITH SAID HYDRAULIC MEANS FOR THE PROGRAMMED METERING OF SAID FLUID FROM SAID HYDRAULIC MEANS, THEREBY CONTROLLING THE PIVOTAL MOVEMENT OF SAID VANE MEMBERS ON SAID BASE.
Claim 2
Independent Claim
138 words
AN APPARATUS FOR USE IN THE RETARDATION AND STABILIZATON OF AIRBORNE MISSILES DURING DESCENDING FLIGHT COMPRISING HYDRAULIC MEANS HAVING A BASE MEMBER, A PLURALITY OF VANE MEMBERS PIVOTALLY MOUNTED IN SPACED RELATIONSHIP AROUND SAID BASE MEMBER, EACH OF SAID VANE MEMBERS BEING INTERCONNECTED TO ADJACENT VANE MEMBERS BY A PLURALITY OF WEBBING MEMBERS, EVERY OTHER OF SAID VANE MEMBERS HAVING A BODY PORTION COUPLED THROUGH MECHANICAL LINKAGE TO SAID HYDRAULIC MEANS WHEREBY A COMPRESSIVE PRESSURE IS TRANSMITTED FROM SAID VANE MEMBERS THROUGH SAID MECHANICAL LINKAGE TO SAID HYDRAULIC MEANS WHEN DYNAMIC AIR PRESSURE ACTS ON SAID VANE MEMBERS, SAID COMPRESSIVE PRESSURE FORCING FLUID FROM SAID HYDRAULIC MEANS, AND VALVING MEANS COOPERATING WITH SAID HYDRAULIC MEANS FOR THE PROGRAMMED METERING OF SAID FLUID FROM SAID HYDRAULIC MEANS, THEREBY CONTROLLING THE PIVOTAL MOVEMENT OF SAID VANE MEMBERS ON SAID BASE.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |