US3518593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic handling device
Assignee: International Business Machines Corp
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Filing: 1968-02-26
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Granted: 1970-06-30
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Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 Bradley P Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1546; H; H01; H01F; H01F7/00; H01F7/02; H01F7/0231; H01F7/0247
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |