Patent US3154270A successfully refreshed from Google Patents.
US3154270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious landing gear for helicopter
Assignee: Hiller Aircraft Co Inc
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Filing: 1962-08-17
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Granted: 1964-10-27
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Expires: 1982-08-17
Abstract
No abstract record available.
Inventors
- 👤 James R Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:23
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/54; B64C25/56; B64C25/52; B64C2025/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AMPHIBIOUS LANDING GEAR FOR A HELICOPTER COMPRISING OPPOSING STRUT STRUCTURES TO BE LOCATED ON EACH SIDE OF THE CHASSIS OF SAID HELICOPTER IN DEPENDING RELATIONSHIP, GROUND ENGAGING MEANS SECURED TO THE LOWER END OF EACH OF SAID STRUT STRUCTURES, AND BUOYANT MEANS IN CONJUNCTION WITH EACH OF SAID STRUT STRUCTURES AND DETACHABLY CONNECTED THEREWITH, EACH SAID BUOYANT MEANS HAVING LATERAL PASSAGES THEREIN FOR ACCOMMODATING ITS ASSOCIATED STRUT STRUCTURE SO THAT SUCH BUOYANT MEANS MAY BE MOVED IN A LATERAL DIRECTION RELATIVE TO ITS ASSOCIATED STRUT STRUCTURE SO THAT SUCH BUOYANT MEANS MAY BE POSITIONED AROUND OR REMOVED FROM SUCH STRUT STRUCTURE WITHOUT REQUIRING SEPARATION OF SAID GROUND ENGAGING MEANS FROM SUCH STRUT STRUCTURE, EACH SAID BUOYANT MEANS BEING OPERATIVELY SECURED TO ITS ASSOCIATED STRUT STRUCTURE AND GROUND ENGAGING MEANS ABOVE SUCH GROUND ENGAGING MEANS SO THAT SAID HELICOPTER MAY BE LANDED ON THE GROUND AND SUPPORTED THEERON BY SAID GROUND ENGAGING MEANS OR ON A BODY OF WATER AND SUPPORTED THEREON BY SAID BUOYANT MEANS.
Claim 2
Dependent Claim
165 words
AMPHIBIOUS LANDING GEAR FOR A HELICOPTER COMPRISING OPPOSING STRUT STRUCTURES TO BE LOCATED ON EACH SIDE OF THE CHASSIS OF SAID HELICOPTER IN DEPENDING RELATIONSHIP, GROUND ENGAGING MEANS SECURED TO THE LOWER END OF EACH OF SAID STRUT STRUCTURES, AND BUOYANT MEANS IN CONJUNCTION WITH EACH OF SAID STRUT STRUCTURES AND DETACHABLY CONNECTED THEREWITH, EACH SAID BUOYANT MEANS HAVING LATERAL PASSAGES THEREIN FOR ACCOMMODATING ITS ASSOCIATED STRUT STRUCTURE SO THAT SUCH BUOYANT MEANS MAY BE MOVED IN A LATERAL DIRECTION RELATIVE TO ITS ASSOCIATED STRUT STRUCTURE SO THAT SUCH BUOYANT MEANS MAY BE POSITIONED AROUND OR REMOVED FROM SUCH STRUT STRUCTURE WITHOUT REQUIRING SEPARATION OF SAID GROUND ENGAGING MEANS FROM SUCH STRUT STRUCTURE, EACH SAID BUOYANT MEANS BEING OPERATIVELY SECURED TO ITS ASSOCIATED STRUT STRUCTURE AND GROUND ENGAGING MEANS ABOVE SUCH GROUND ENGAGING MEANS SO THAT SAID HELICOPTER MAY BE LANDED ON THE GROUND AND SUPPORTED THEERON BY SAID GROUND ENGAGING MEANS OR ON A BODY OF WATER AND SUPPORTED THEREON BY SAID BUOYANT MEANS.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |