Patent US3086733A successfully refreshed from Google Patents.
US3086733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable landing gear
Assignee: Cleveland Pneumatic Tool Co
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Filing: 1960-02-04
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Granted: 1963-04-23
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Erwin H Hartel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
162 words
RETRACTABLE LANDING GEAR STRUCTURE FOR AIRCRAFT, SAID LANDING GEAR STRUCTURE COMPRISING, AN ELONGATE COLUMN HAVING ONE END PORTION THEREOF ADAPTED TO BE JOURNALLED TO A SUPPORT STRUCTURE OF AN AIRCRAFT TO ENABLE SAID COLUMN TO BE MOVABLE BETWEEN A SUBSTANTIALLY VERTICALLY DISPOSED POSITION AND A GENERALLY HORIZONTALLY DISPOSED POSITION, A GROUND ENGAGING ASSEMBLY SUPPORTED ADJACENT THE OTHER END PORTION OF SAID COLUMN WITH SAID GROUND ENGAGING ASSEMBLY BEING PIVOTALLY MOVABLE ABOUT THE LONGITUDINAL AXIS OF SAID COLUMN, A LINKAGE ASSEMBLY FOR INTERCONNECTING THE COLUMN TO SUCH AIRCRAFT SUPPORT STRUCTURE FOR URGING THE COLUMN TO BE MOVABLE BETWEEN THE SAID POSITIONS, SAID LINKAGE ASSEMBLY COMPRISING A FIRST LINK-LIKE MEMBER, A CONNECTION HAVING A PAIR OF PIVOTAL AXES DISPOSED GENERALLY NORMAL RELATIVE TO EACH OTHER FOR PIVOTALLY CONNECTING ONE END PORTION OF THE FIRST LINK-LIKE MEMBER TO SUCH AIRCRAFT SUPPORT STRUCTURE, AN ELEMENT CARRIED BY AN INTERMEDIATE PORTION OF THE COLUMN FOR RELATIVE ROTATIONAL MOVEMENT ABOUT THE LONGITUDINAL AXIS THEREOF, A SECOND LINK-LIKE MEMBER,
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |