US3356410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible trailers
Assignee: Individual
•
Filing: 1965-10-15
•
Granted: 1967-12-05
•
Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Taylor Ralph Wendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:37
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A COLLAPSIBLE TRAILER INCLUDING A BOX-LIKE BODY AND A SHALLOW INVERTED BOX-LIKE COVER, FRONT AND REAR END PANELS PIVOTALLY ENGAGED TO THE UPPER EDGES OF THE RESPECTIVE ENDS OF THE BODY, SPRING MEANS TO BIAS THE END PANELS INTO RAISED, EXTENDED POSITION WHEN THE COVER IS RAISED, WHICH SPRING MEANS INCLUDE SPRING SECURED WITH A DEAD END TO THE INSIDE OF THE COVER, AND CORDS SECURED TO THE LIVE ENDS OF THE SPRINGS AND TRAINED OVER PULLEYS AT THE ENDS OF THE COVER AND BACK TO THE UPPER EGES OF THE END PANELS, THE COVER BEING LONGITUDINALLY SHIFTABLE ON THE BOX WHILE IN THE TILTED POSITION, MEANS FOR ENGAGING THE END PANELS IN RIGID POSITION AT RIGHT ANGLES WITH RESPECT TO THE COVER AFTER THEY ARE EXTENDED, WHEREBY THE OPERATOR MAY RAISED ONE END OF THE COVER AND THE CORRESPONDING END PANEL WILL SWING UP INTO PLACE AND MAY BE LOCKED AND USED AS A FULCRUM AS THE OTHER END OF THE COVE IS RAISED.
Claim 2
Dependent Claim
166 words
IN A COLLAPSIBLE TRAILER INCLUDING A BOX-LIKE BODY AND A SHALLOW INVERTED BOX-LIKE COVER, FRONT AND REAR END PANELS PIVOTALLY ENGAGED TO THE UPPER EDGES OF THE RESPECTIVE ENDS OF THE BODY, SPRING MEANS TO BIAS THE END PANELS INTO RAISED, EXTENDED POSITION WHEN THE COVER IS RAISED, WHICH SPRING MEANS INCLUDE SPRING SECURED WITH A DEAD END TO THE INSIDE OF THE COVER, AND CORDS SECURED TO THE LIVE ENDS OF THE SPRINGS AND TRAINED OVER PULLEYS AT THE ENDS OF THE COVER AND BACK TO THE UPPER EGES OF THE END PANELS, THE COVER BEING LONGITUDINALLY SHIFTABLE ON THE BOX WHILE IN THE TILTED POSITION, MEANS FOR ENGAGING THE END PANELS IN RIGID POSITION AT RIGHT ANGLES WITH RESPECT TO THE COVER AFTER THEY ARE EXTENDED, WHEREBY THE OPERATOR MAY RAISED ONE END OF THE COVER AND THE CORRESPONDING END PANEL WILL SWING UP INTO PLACE AND MAY BE LOCKED AND USED AS A FULCRUM AS THE OTHER END OF THE COVE IS RAISED.
References Cited (Backward Citations)
US1972415A
Cited
US2168069A
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US2640721A
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US2834632A
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US3273934A
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US3288521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |