US2467489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid and armature formed of strip material
Assignee: Essex Wire Corp
•
Filing: 1946-12-19
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Granted: 1949-04-19
•
Expires: 1966-12-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Mcclain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:11
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607; H01F7/1623; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US352202A
Cited
US1601014A
Cited
US1819843A
Cited
US1720943A
Cited
US2222419A
Cited
US2310684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |