US2411022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable front carrier attachment for mobile cranes
Assignee: Silent Hoist & Crane Co
•
Filing: 1945-10-15
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Granted: 1946-11-12
•
Expires: 1965-10-15
Abstract
No abstract record available.
Inventors
- 👤 Maurice M Botnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/0364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-11-11 | 1950-05-13 | 1950-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-11 | 1954-05-13 | 1954-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-11 | 1958-05-13 | 1958-11-12 | $7700.00 | Window Closed / Lapsed |