Patent EP0304261A1 successfully refreshed from Google Patents.
US3209920A
Expired / Lapsed
US
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Combination crane
Assignee: T S DECUIR
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Filing: 1964-02-12
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Granted: 1965-10-05
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Cuir Mitchell A De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:15
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/62; B66C23/82; B66C23/18; B66C23/26; B66C23/34; B66C23/346; B66C23/36; B66C23/64; B66C23/68; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A CRANE COMPRISING IN COMBINATION: A PLATFORM MOUNTED FOR GENERALLY HORIZONTAL ROTATION ON A SUPPORT MEANS, A MAST PIVOTALLY MOUNTED ON SAID PLATFORM FOR ROTATION THEREWITH AND FOR PIVOTAL MOVEMENT THROUGH A FIRST VERTICAL ARC, A BOOM PIVOTALLY MOUNTED ADJACENT THE LOWER END OF SAID MAST FOR ROTATION WITH SAID PLATFORM AND SAID MAST AND ADAPTED FOR PIVOTAL MOVEMENT THROUGH A SECOND VERTICAL ARC, SAID BOOM HAVING RELEASABLE PIVOT MEANS BETWEEN THE UPPER AND LOWER ENDS THEREOF FOR PIVOTING THE UPPER PORTION OF SAID BOOM IN RELATION TO THE LOWER PORTION OF SAID BOOM, MANS SECURED TO SAID MAST AND SAID BOOM FOR RAISING AND LOWERING SAID BOOM INDEPENDENT OF THE MOVEMENT OF SAID MAST THROUGH SAID FIRST ARC, AND
Claim 2
Dependent Claim
120 words
A CRANE COMPRISING IN COMBINATION: A PLATFORM MOUNTED FOR GENERALLY HORIZONTAL ROTATION ON A SUPPORT MEANS, A MAST PIVOTALLY MOUNTED ON SAID PLATFORM FOR ROTATION THEREWITH AND FOR PIVOTAL MOVEMENT THROUGH A FIRST VERTICAL ARC, A BOOM PIVOTALLY MOUNTED ADJACENT THE LOWER END OF SAID MAST FOR ROTATION WITH SAID PLATFORM AND SAID MAST AND ADAPTED FOR PIVOTAL MOVEMENT THROUGH A SECOND VERTICAL ARC, SAID BOOM HAVING RELEASABLE PIVOT MEANS BETWEEN THE UPPER AND LOWER ENDS THEREOF FOR PIVOTING THE UPPER PORTION OF SAID BOOM IN RELATION TO THE LOWER PORTION OF SAID BOOM, MANS SECURED TO SAID MAST AND SAID BOOM FOR RAISING AND LOWERING SAID BOOM INDEPENDENT OF THE MOVEMENT OF SAID MAST THROUGH SAID FIRST ARC, AND
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |