Patent US3249234A successfully refreshed from Google Patents.
US3249234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shipboard boom and rigging
Assignee: Individual
•
Filing: 1964-03-17
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Granted: 1966-05-03
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Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Virgil H Trevisan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:35
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/60; B66C23/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN A CARGO-TRANSFERRING SYSTEM, A BOOM UNIVERSALLY MOUNTED AT ITS FOOT, A PLURALITY OF LATERALLY SPACED TOPPING LIFTS CONTROLLING THE LOCATION OF THE BOOM HEAD, AND A PLURALITY OF CABLES DEPENDING FROM THE BOOM HEAD, THE TOPPING LIFTS BEING VARIABLE IN LENGTH INDEPENDENTLY OF ONE ANOTHER AND THE DEPENDING CABLES BEING VARIABLE IN LENGTH INDEPENDENTLY OF ONE ANOTHER, ONE OF THE DEPENDING CABLES BEING DETACHABLY ATTACHED AT GIVEN LENGTH TO A PAD AT A FIXED LOCATION CLOSELY ADJACENT THE FOOT OF THE BOOM.
Claim 2
Dependent Claim
83 words
IN A CARGO-TRANSFERRING SYSTEM, A BOOM UNIVERSALLY MOUNTED AT ITS FOOT, A PLURALITY OF LATERALLY SPACED TOPPING LIFTS CONTROLLING THE LOCATION OF THE BOOM HEAD, AND A PLURALITY OF CABLES DEPENDING FROM THE BOOM HEAD, THE TOPPING LIFTS BEING VARIABLE IN LENGTH INDEPENDENTLY OF ONE ANOTHER AND THE DEPENDING CABLES BEING VARIABLE IN LENGTH INDEPENDENTLY OF ONE ANOTHER, ONE OF THE DEPENDING CABLES BEING DETACHABLY ATTACHED AT GIVEN LENGTH TO A PAD AT A FIXED LOCATION CLOSELY ADJACENT THE FOOT OF THE BOOM.
References Cited (Backward Citations)
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |