Patent US3292802A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3292802A Expired / Lapsed US ⏱️ 0.0 years remaining

Retractable support for semitrailer

Assignee: KNEELING NELLIE Inc
•
Filing: 1963-06-07
•
Granted: 1966-12-20
•
Expires: 1983-06-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Archibald D L Hutchinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:34
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 184 words
A TRAILER OF THE TYPE DESCRIBED COMPRISING A TRAILER BODY; AN AXLE ASSEMBLY MOUNTED ADJACENT ONE END OF SAID TRAILER BODY; AND A LANDING GEAR MOUNTED ON SAID TRAILER BODY, SAID LANDING GEAR INCLUDING FIRST AND SECOND MULTIPLE STAGE POWER EYLINDERS AND A GROUND-ENGAGING SHOE, EACH OF SAID CYLINDERS HAVING ONE END CONNECTED TO SAID TRAILER BODY AND THE OTHER END CONNECTED TO SAID SHOE WHEREBY ACTUATION OF SAID CYLINDERS CAUSES RELATIVE MOVEMENT BETWEEN SAID SHOE AND SAID TRAILER BODY, A PAIR OF ANGULAR BRACES EACH PIVOTALLY CONNECTED AT ONE END TO THE TRAILER AT A POINT SPACED IN ONE LONGITUDINAL DIRECTION OF THE TRAILER BODY FROM SAID ONE END OF A RESPECTIVE CYLINDER AND PIVOTALLY CONNECTED AT THE OTHER END OF ONE OF SAID SHOES, RESPECTIVELY, AND A PAIR OF SAFETY LEGS EACH PIVOTALLY CONNECTED AT ONE END TO THE TRAILER AT A POINT SPACED IN THE OPPOSITE LONGITUDINAL DIRECTION OF THE TRAILER BODY FROM SAID ONE END OF A RESPECTIVE CYLINDER AND EACH HAVING A FREE END ADAPTED TO ENGAGE ONE OF SAID SHOES, RESPECTIVELY, WHEN SAID TRAILER IS IN ELEVATED POSITION.
Claim 2
Dependent Claim 184 words
A TRAILER OF THE TYPE DESCRIBED COMPRISING A TRAILER BODY; AN AXLE ASSEMBLY MOUNTED ADJACENT ONE END OF SAID TRAILER BODY; AND A LANDING GEAR MOUNTED ON SAID TRAILER BODY, SAID LANDING GEAR INCLUDING FIRST AND SECOND MULTIPLE STAGE POWER EYLINDERS AND A GROUND-ENGAGING SHOE, EACH OF SAID CYLINDERS HAVING ONE END CONNECTED TO SAID TRAILER BODY AND THE OTHER END CONNECTED TO SAID SHOE WHEREBY ACTUATION OF SAID CYLINDERS CAUSES RELATIVE MOVEMENT BETWEEN SAID SHOE AND SAID TRAILER BODY, A PAIR OF ANGULAR BRACES EACH PIVOTALLY CONNECTED AT ONE END TO THE TRAILER AT A POINT SPACED IN ONE LONGITUDINAL DIRECTION OF THE TRAILER BODY FROM SAID ONE END OF A RESPECTIVE CYLINDER AND PIVOTALLY CONNECTED AT THE OTHER END OF ONE OF SAID SHOES, RESPECTIVELY, AND A PAIR OF SAFETY LEGS EACH PIVOTALLY CONNECTED AT ONE END TO THE TRAILER AT A POINT SPACED IN THE OPPOSITE LONGITUDINAL DIRECTION OF THE TRAILER BODY FROM SAID ONE END OF A RESPECTIVE CYLINDER AND EACH HAVING A FREE END ADAPTED TO ENGAGE ONE OF SAID SHOES, RESPECTIVELY, WHEN SAID TRAILER IS IN ELEVATED POSITION.

References Cited (Backward Citations)

US3104891A Cited
GB445239A Cited
US2190252A Cited
GB607555A Cited
US2596462A Cited
FR1062775A Cited
US2851181A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-19 1970-06-20 1970-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-19 1974-06-20 1974-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-19 1978-06-20 1978-12-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag