Patent US2483723A successfully refreshed from Google Patents.
US2483723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic circuit maker and breaker
Assignee: AT&T Inc
•
Filing: 1945-04-03
•
Granted: 1949-10-04
•
Expires: 1965-04-03
Abstract
No abstract record available.
Inventors
- 👤 Everett T Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:04
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US599344A
Cited
US987775A
Cited
US1336158A
Cited
US733551A
Cited
US1443583A
Cited
US1500800A
Cited
US1763258A
Cited
US1684249A
Cited
US2320208A
Cited
US2358198A
Cited
US2397123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |