US2496880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically operated device
Assignee: Individual
•
Filing: 1944-06-26
•
Granted: 1950-02-07
•
Expires: 1964-06-26
Abstract
No abstract record available.
Inventors
- 👤 George H Leland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/065; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/18; Y10T74/18888; Y10T74/18984
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE659975C
Cited
US771323A
Cited
US1222431A
Cited
US1802459A
Cited
US1807955A
Cited
US1764921A
Cited
US2216935A
Cited
US2353756A
Cited
US2310138A
Cited
US2377244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |