US2563271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating current actuator or relay
Assignee: Magnetic Devices Inc
•
Filing: 1948-06-01
•
Granted: 1951-08-07
•
Expires: 1968-06-01
Abstract
No abstract record available.
Inventors
- 👤 Osborne I Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:13
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US996446A
Cited
US1162138A
Cited
US1483962A
Cited
FR550737A
Cited
US1533770A
Cited
US1610770A
Cited
CH141998A
Cited
US1823979A
Cited
US1852232A
Cited
US1981259A
Cited
US1946261A
Cited
US2009124A
Cited
US2210731A
Cited
US2353746A
Cited
US2265809A
Cited
US2364656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |