US2942162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demagnetizers and methods for demagnetizing
Assignee: Individual
•
Filing: 1953-07-02
•
Granted: 1960-06-21
•
Expires: 1973-07-02
Abstract
No abstract record available.
Inventors
- 👤 Maximilian C Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:04
CPC Classifications
H; H01; H01F; H01F13/00; H01F13/003; H01F13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2123063A
Cited
USRE23217E
Cited
FR783590A
Cited
US2154399A
Cited
US2118174A
Cited
US2240749A
Cited
US2340502A
Cited
US2441984A
Cited
US2718951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |