US2459844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit element and motor for driving the same
Assignee: STC PLC
•
Filing: 1944-07-25
•
Granted: 1949-01-25
•
Expires: 1964-07-25
Abstract
No abstract record available.
Inventors
- 👤 Seath Edward Graham
- 👤 Klepp Edwin Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:21
CPC Classifications
H; H02; H02K; H02K24/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1289898A
Cited
US2038059A
Cited
US2184347A
Cited
US2295442A
Cited
US2269602A
Cited
US2321699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |