US3105251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile bridge
Assignee: Manning Maxwell and Moore Inc
•
Filing: 1958-09-12
•
Granted: 1963-10-01
•
Expires: 1978-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard C Stevens
- 👤 Paulssen Walter Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:02
CPC Classifications
E; E01; E01D; E01D15/00; E01D15/12; E01D15/127
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
A FOLDING BRIDGE COMPRISING, IN COMBINATION, A MAIN TRACKWAY MEMBER, A RAMP EXTENDING FROM EACH END OF SAID TRACKWAY MEMBER, SAID RAMPS BEING PIVOTED TO SAID MEMBER ABOUT TRANSVERSE AXES SO THAT THE RAMPS MAY BE FOLDED UP ONTO THE SAID MEMBER, A HYDRAULIC CYLINDER DISPOSED LONGITUDINALLY WITHIN SAID MEMBER, A FOLDING LINKAGE FOR EACH OF SAID RAMPS, AND MEANS FOR SELECTIVELY COUPLING SAID CYLINDER TO SAID LINKAGES FOR FOLDING AND UNFOLDING SAID RAMPS.
References Cited (Backward Citations)
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FR859277A
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DE737573C
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GB699321A
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FR1148982A
Cited
DE1019339B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |