US3237708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cushion cargo handling apparatus
Assignee: Newport News Shipbuilding and Dry Dock Co
•
Filing: 1962-10-12
•
Granted: 1966-03-01
•
Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
- 👤 Robert C Strasser
- 👤 Alexander H Haynes
- 👤 Lawrence A Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:05
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
CARGO HANDLING APPARATUS COMPRISING A RELATIVELY RIGID BODY MEANS INCLUDING A LOAD SUPPORTING SURFACE, A FLEXIBLE SKIRT CONFINING MEANS SUPPORTED ADJACENT THE PERIPHERY OF SAID BODY MEANS AND EXTENDING DOWNWARDLY THEREFROM AND COMPLETELY THEREAROUND FORMING A CHAMBER THEREBENEATH, FLEXIBLE SKIRT BAFFLE MEANS SUPPORTED BY SAID BODY MEANS AND EXTENDING DOWNWARDLY THEREFROM AND DIAGONALLY THEREACROSS SO AS TO DIVIDE THE SPACE BETWEEN SAID BODY MEANS INTO A PLURALITY OF CHAMBERS, SAID BODY MEANS HAVING PERIPHERAL COMPARTMENTS ABOVE SAID CHAMBERS AND PERIPHERAL SIDE WALLS WITH AIR INLET OPENINS FORMED THEREIN IN COMMUNICATION WITH SAID COMPARTMENTS, MEANS SUPPORTED IN THE CENTRAL PORTION OF SAID BODY MEANS FOR DRAWING AIR IN THROUGH SAID AIR INLETS, SAID LAST-MENTIONED MEANS INCLUDING CONDUITS HAVING DOWNWARDLY DIRECTED OUTLETS IN COMMUNICATION WITH EACH OF SAID CHAMBERS FOR DISCHARGING AIR DOWNWARDLY INTO SAID CHAMBERS.
Claim 2
Dependent Claim
134 words
CARGO HANDLING APPARATUS COMPRISING A RELATIVELY RIGID BODY MEANS INCLUDING A LOAD SUPPORTING SURFACE, A FLEXIBLE SKIRT CONFINING MEANS SUPPORTED ADJACENT THE PERIPHERY OF SAID BODY MEANS AND EXTENDING DOWNWARDLY THEREFROM AND COMPLETELY THEREAROUND FORMING A CHAMBER THEREBENEATH, FLEXIBLE SKIRT BAFFLE MEANS SUPPORTED BY SAID BODY MEANS AND EXTENDING DOWNWARDLY THEREFROM AND DIAGONALLY THEREACROSS SO AS TO DIVIDE THE SPACE BETWEEN SAID BODY MEANS INTO A PLURALITY OF CHAMBERS, SAID BODY MEANS HAVING PERIPHERAL COMPARTMENTS ABOVE SAID CHAMBERS AND PERIPHERAL SIDE WALLS WITH AIR INLET OPENINS FORMED THEREIN IN COMMUNICATION WITH SAID COMPARTMENTS, MEANS SUPPORTED IN THE CENTRAL PORTION OF SAID BODY MEANS FOR DRAWING AIR IN THROUGH SAID AIR INLETS, SAID LAST-MENTIONED MEANS INCLUDING CONDUITS HAVING DOWNWARDLY DIRECTED OUTLETS IN COMMUNICATION WITH EACH OF SAID CHAMBERS FOR DISCHARGING AIR DOWNWARDLY INTO SAID CHAMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |