Patent US3319932A successfully refreshed from Google Patents.
US3319932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pallet trailer having a toggle-operated platform tiltable about one or more axes
Assignee: Dorr Oliver Inc
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Filing: 1965-09-03
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Granted: 1967-05-16
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 John A Szczepanik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:46
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TOGGLE-OPERATED ELEVATING-PLATFORM TRAILER HAVING FOUR RECTANGULARLY RELATED ELEVATING TOGGLES AND TOGGLE-OPERATING DRIVE MEANS FOR ACTUATING SAID TOGGLES IN PAIRS, SAID DRIVE MEANS ACTUATING AT LEAST TWO PERPENDICULARLY-RELATED PAIRS OF TOGGLES INDEPENDENTLY WHEREBY THE TRAILER PLATFORM CAN BE SELECTIVWLY TILTED ABOUT PERPENDICULAR AXES, SAID TOGGLE-OPERATING DRIVE MEANS INCLUDING PARALLEL BAR MEANS RESPECTIVELY INTERCONNECTING THE TOGGLE CENTER PIVOTS OF PARALLEL PAIRS OF TOGGLES WHEREBY BOTH TOGGLES IN A PAIR CAN OPERATE TOGETHER AND FURTHER INCLUDING MEANS TO SIMULTANEOUSLY VARY THE EFFECTIVE LENGTH OF SAID RESPECTIVE BAR MEANS WHEREBY ONE TOGGLE OF EACH OF THE PARALLEL PAIRS CAN BE OPERATED INDEPENDENTLY OF THE OTHER TOGGLES OF THESE PAIRS.
Claim 2
Dependent Claim
106 words
A TOGGLE-OPERATED ELEVATING-PLATFORM TRAILER HAVING FOUR RECTANGULARLY RELATED ELEVATING TOGGLES AND TOGGLE-OPERATING DRIVE MEANS FOR ACTUATING SAID TOGGLES IN PAIRS, SAID DRIVE MEANS ACTUATING AT LEAST TWO PERPENDICULARLY-RELATED PAIRS OF TOGGLES INDEPENDENTLY WHEREBY THE TRAILER PLATFORM CAN BE SELECTIVWLY TILTED ABOUT PERPENDICULAR AXES, SAID TOGGLE-OPERATING DRIVE MEANS INCLUDING PARALLEL BAR MEANS RESPECTIVELY INTERCONNECTING THE TOGGLE CENTER PIVOTS OF PARALLEL PAIRS OF TOGGLES WHEREBY BOTH TOGGLES IN A PAIR CAN OPERATE TOGETHER AND FURTHER INCLUDING MEANS TO SIMULTANEOUSLY VARY THE EFFECTIVE LENGTH OF SAID RESPECTIVE BAR MEANS WHEREBY ONE TOGGLE OF EACH OF THE PARALLEL PAIRS CAN BE OPERATED INDEPENDENTLY OF THE OTHER TOGGLES OF THESE PAIRS.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |