US2812203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet holding arrangement
Assignee: Indiana Steel Products Co
•
Filing: 1956-05-21
•
Granted: 1957-11-05
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Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Richard A Scholten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:57
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/02; H01F7/0205; H01F7/0221; H01F7/0231; H01F7/0252; Y; Y10; Y10T; Y10T24/00; Y10T24/32; Y10T279/00; Y10T279/23; Y10T292/00; Y10T292/11
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |