US2895085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic amplifier circuit protecting devices
Assignee: Individual
•
Filing: 1956-12-20
•
Granted: 1959-07-14
•
Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Melvin P Siedband
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:06
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/08; H02H3/087; H02H3/20; H02H3/202
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2735060A
Cited
US2735053A
Cited
US2381527A
Cited
US2677800A
Cited
US2594372A
Cited
US2709774A
Cited
US2757320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |