US2484358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay
Assignee: Ward Leonard Electric Co
•
Filing: 1945-12-22
•
Granted: 1949-10-11
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 George M Stapleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:04
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US820119A
Cited
US856085A
Cited
US880617A
Cited
US1155157A
Cited
US1668925A
Cited
US2336871A
Cited
US2353377A
Cited
US2348021A
Cited
US2392134A
Cited
US2395683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |