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US2913276A
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Magnetic handler for cylindrical articles of magnetic material
Assignee: Individual
•
Filing: 1956-04-11
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Granted: 1959-11-17
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Expires: 1976-04-11
Abstract
No abstract record available.
Inventors
- 👤 David A Collings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/20; H01F7/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1908829A
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US1908260A
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US2064405A
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US2416575A
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US2514307A
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US2630931A
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US2801128A
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US2703252A
Cited
US2695687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |