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US2417762A
Expired / Lapsed
US
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Tool for magnetic lifting
Assignee: Individual
•
Filing: 1944-04-14
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Granted: 1947-03-18
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Expires: 1964-04-14
Abstract
No abstract record available.
Inventors
- 👤 Koller Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:06
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/28; B03C1/284; B23; B23Q; B23Q11/00; B23Q11/0042; B23Q11/0064; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S425/00; Y10S425/033; Y10S7/00; Y10S7/901
Claims Analysis
Total Claims: 0
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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) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |