US2858485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controls for material handling magnets
Assignee: Cutler Hammer Inc
•
Filing: 1953-10-23
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Granted: 1958-10-28
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Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Seeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C1/00; B66C1/04; B66C1/06; B66C1/08; B66C2700/00; B66C2700/08; B66C2700/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US782340A
Cited
US895965A
Cited
US1420761A
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US1527641A
Cited
US1778973A
Cited
US2038186A
Cited
US2257361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |