US3240353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load responsive counterbalancing crane
Assignee: LEAVESLEY ENGINEERING Ltd
•
Filing: 1964-02-24
•
Granted: 1966-03-15
•
Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Leavesley Leonard Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:37
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C13/00; B66C13/18; B66C23/62; B66C23/72; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/0392; B66C2700/06; B66C2700/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A MOBILE CRANE COMPRISING A SUPPORTING VEHICLE A STRUCTURE MOUNTED ON SAID VEHICLE FOR ANGULAR MOVEMENT ABOUT A VERTICAL AXIS, A TOWER PIVOTED TO SAID STRUCTURE ON A HORIZONTAL AXIS, A JIB MOUNTED ON THE TOWER AND PROJECTING THEREFROM IN A DIRECTION PERPENDICULAR TO SAID HORIZONTAL AXIS, A MEANS FOR SUPPORTING A LOAD FROM THE END OF THE JIB, A RAIL MOUNTED ON THE TOWER AND PROJECTING THEREFROM IN A DIRECTION OPPOSITE TO THE DIRECTION IN WHICH THE JIB PROJECTS, A COUNTERBALANCE WEIGHT
Claim 2
Dependent Claim
83 words
A MOBILE CRANE COMPRISING A SUPPORTING VEHICLE A STRUCTURE MOUNTED ON SAID VEHICLE FOR ANGULAR MOVEMENT ABOUT A VERTICAL AXIS, A TOWER PIVOTED TO SAID STRUCTURE ON A HORIZONTAL AXIS, A JIB MOUNTED ON THE TOWER AND PROJECTING THEREFROM IN A DIRECTION PERPENDICULAR TO SAID HORIZONTAL AXIS, A MEANS FOR SUPPORTING A LOAD FROM THE END OF THE JIB, A RAIL MOUNTED ON THE TOWER AND PROJECTING THEREFROM IN A DIRECTION OPPOSITE TO THE DIRECTION IN WHICH THE JIB PROJECTS, A COUNTERBALANCE WEIGHT
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |