Patent US3393883A successfully refreshed from Google Patents.
US3393883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft landing gear
Assignee: TED SMITH AIRCRAFT CO Inc
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Filing: 1966-06-06
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Granted: 1968-07-23
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Smith
- 👤 Richard G Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:20
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A LANDING GEAR FOR AN AIRPLANE, THE COMBINATION OF: A STRUT INCLUDING A FIRST SECTION HAVING A PASSAGEWAY THEREIN, A SECOND SECTION AT LEAST PARTIALLY WITHIN SAID PASSEGEWAY OF SAID FIRST SECTION, AND MEANS FOR INTERCONNECTING SAID SECTIONS TO PERMIT RELATIVE MOVEMENT THEREBETWEEN; A FIRST PISTON SLIDABLY MOUNTED IN SAID PASSAGEWAY, THE SPACE IN SAID PASSAGEWAY ON ONE SIDE OF SAID PISTON AND THE SPACE IN SAID PASSAGEWAY ON THE OTHER SIDE OF SAID PISTON AT LEAST PARTIALLY DEFINING A CHAMBER; LONGITUDINALLY ARRANGED ORIFICE MEANS IN THE WALL OF SAID FIRST SECTION FOR BLEEDING THE FLUID FROM THE RESERVOIR; MEANS FOR DRIVINGLY CONNECTING SAID PISTON AND SAID SECOND SECTION;
Claim 2
Dependent Claim
110 words
IN A LANDING GEAR FOR AN AIRPLANE, THE COMBINATION OF: A STRUT INCLUDING A FIRST SECTION HAVING A PASSAGEWAY THEREIN, A SECOND SECTION AT LEAST PARTIALLY WITHIN SAID PASSEGEWAY OF SAID FIRST SECTION, AND MEANS FOR INTERCONNECTING SAID SECTIONS TO PERMIT RELATIVE MOVEMENT THEREBETWEEN; A FIRST PISTON SLIDABLY MOUNTED IN SAID PASSAGEWAY, THE SPACE IN SAID PASSAGEWAY ON ONE SIDE OF SAID PISTON AND THE SPACE IN SAID PASSAGEWAY ON THE OTHER SIDE OF SAID PISTON AT LEAST PARTIALLY DEFINING A CHAMBER; LONGITUDINALLY ARRANGED ORIFICE MEANS IN THE WALL OF SAID FIRST SECTION FOR BLEEDING THE FLUID FROM THE RESERVOIR; MEANS FOR DRIVINGLY CONNECTING SAID PISTON AND SAID SECOND SECTION;
References Cited (Backward Citations)
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Cited
US2548832A
Cited
US2621004A
Cited
US2891788A
Cited
US2702398A
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US2944639A
Cited
US2946582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |