Patent US3130980A successfully refreshed from Google Patents.
US3130980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevatable trailers
Assignee: Magline Inc
•
Filing: 1960-04-29
•
Granted: 1964-04-28
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 George E Moaroe
- 👤 Kasady Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:30
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/02; B60P1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
AN ELEVATABLE TRAILER FRAME CONSTRUCTION COMPRISING A FRAME; LIFT MEANS ROCKABLY JOURNALED ON SAID FRAME BETWEEN THE ENDS OF THE LATTER FOR ROCKING MOVEMENT FROM A LOWERED POSITION TO A RAISED POSITION; WHEEL JOURNALING MEANS ON SAID LIFT MEANS; PRESSURE FLUID OPERATING MEANS COMPRISING AN EXTENSIBLE AND RETRACTABLE RAM HAVING RELATIVELY TELESCOPING FIRST AND SECOND SECTIONS; MEANS RIGIDLY MOUNTING SAID FIRST RAM SECTION ON SAID FRAME BETWEEN SAID LIFT MEANS AND ONE END OF SAID FRAME, SAID SECOND RAM SECTION HAVING A FREE END MOVABLE IN A DIRECTION TOWARD SAID ONE END OF SAID FRAME WHEN SAID LIFT MEANS IS IN SAID LOWERED POSITION; MEANS RELEASABLY SECURING SAID FREE END OF SAID SECOND RAM SECTION TO SAID FRAME ADJACENT SAID ONE END THEREOF WHEN SAID LIFT MEANS IS IN SAID RAISED POSITION TO PREVENT EXTENSION AND RETRACTION OF SAID RAM; AND FORCE TRANSMITTING MEANS CONNECTED AT ONE OF ITS ENDS OF SAID LIFT MEANS AND AT ITS OTHER END TO SAID SECOND RAM SECTION.
Claim 2
Dependent Claim
164 words
AN ELEVATABLE TRAILER FRAME CONSTRUCTION COMPRISING A FRAME; LIFT MEANS ROCKABLY JOURNALED ON SAID FRAME BETWEEN THE ENDS OF THE LATTER FOR ROCKING MOVEMENT FROM A LOWERED POSITION TO A RAISED POSITION; WHEEL JOURNALING MEANS ON SAID LIFT MEANS; PRESSURE FLUID OPERATING MEANS COMPRISING AN EXTENSIBLE AND RETRACTABLE RAM HAVING RELATIVELY TELESCOPING FIRST AND SECOND SECTIONS; MEANS RIGIDLY MOUNTING SAID FIRST RAM SECTION ON SAID FRAME BETWEEN SAID LIFT MEANS AND ONE END OF SAID FRAME, SAID SECOND RAM SECTION HAVING A FREE END MOVABLE IN A DIRECTION TOWARD SAID ONE END OF SAID FRAME WHEN SAID LIFT MEANS IS IN SAID LOWERED POSITION; MEANS RELEASABLY SECURING SAID FREE END OF SAID SECOND RAM SECTION TO SAID FRAME ADJACENT SAID ONE END THEREOF WHEN SAID LIFT MEANS IS IN SAID RAISED POSITION TO PREVENT EXTENSION AND RETRACTION OF SAID RAM; AND FORCE TRANSMITTING MEANS CONNECTED AT ONE OF ITS ENDS OF SAID LIFT MEANS AND AT ITS OTHER END TO SAID SECOND RAM SECTION.
References Cited (Backward Citations)
US2227762A
Cited
US2453388A
Cited
US2506699A
Cited
US2704021A
Cited
US2636745A
Cited
US2591916A
Cited
US2621942A
Cited
US2681159A
Cited
US2767538A
Cited
US2793774A
Cited
US2835399A
Cited
US2835400A
Cited
US2957593A
Cited
US2936919A
Cited
FR1203679A
Cited
US2994544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |