US3124209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foreign
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
B; B65; B65G; B65G67/00; B65G67/60; B65G67/603; B65G7/00; B65G7/02; B65G7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
APPARATUS FOR LOADING AND UNLOADING CARGO IN SHIPS COMPRISING CARGO SUPPORT MEANS HAVING AN UPPER PORTION FOR SUPPORTING CARGO AND AN UNDER PORTION, WALL PORTIONS DEFINING A PLURALITY OF AIR-TIGHT CHAMBERS OPENING THROUGH SAID UNDER PORTION, SEPARATE AND INDEPENDENT OUTLET MEANS DISPOSED WITHIN AND ABOUT THE INNER PERIPHERY OF THE LOWER PORTION OF EACH OF SAID CHAMBERS, SAID OUTLET MEANS INCLUDING MEANS FOR DIRECTING GAS UNDER PRESSURE INWARDLY OF THE ASSOCIATED CHAMBERS TO PROVIDE A GAS CUSHION BENEATH EACH OF SAID CHAMBERS, MEANS FOR CONNECTING SAID OUTLET MEANS WITH AN EXTERNAL SOURCE OF GAS UNDER PRESSURE, AND VALVE MEANS FOR SEPARATELY AND INDIVIDUALLY CONTROLLING THE FLOW OF GAS UNDER PRESSURE TO THE OUTLET MEANS OF EACH OF SAID CHAMBERS TO PERMIT STABILIZING AND BALANCING OF THE SUPPORT MEANS.
Claim 2
Dependent Claim
128 words
APPARATUS FOR LOADING AND UNLOADING CARGO IN SHIPS COMPRISING CARGO SUPPORT MEANS HAVING AN UPPER PORTION FOR SUPPORTING CARGO AND AN UNDER PORTION, WALL PORTIONS DEFINING A PLURALITY OF AIR-TIGHT CHAMBERS OPENING THROUGH SAID UNDER PORTION, SEPARATE AND INDEPENDENT OUTLET MEANS DISPOSED WITHIN AND ABOUT THE INNER PERIPHERY OF THE LOWER PORTION OF EACH OF SAID CHAMBERS, SAID OUTLET MEANS INCLUDING MEANS FOR DIRECTING GAS UNDER PRESSURE INWARDLY OF THE ASSOCIATED CHAMBERS TO PROVIDE A GAS CUSHION BENEATH EACH OF SAID CHAMBERS, MEANS FOR CONNECTING SAID OUTLET MEANS WITH AN EXTERNAL SOURCE OF GAS UNDER PRESSURE, AND VALVE MEANS FOR SEPARATELY AND INDIVIDUALLY CONTROLLING THE FLOW OF GAS UNDER PRESSURE TO THE OUTLET MEANS OF EACH OF SAID CHAMBERS TO PERMIT STABILIZING AND BALANCING OF THE SUPPORT MEANS.
References Cited (Backward Citations)
US986766A
Cited
US1900867A
Cited
US2218938A
Cited
US2635430A
Cited
US2938590A
Cited
US2918183A
Cited
US3055446A
Cited
US3039550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |