US2473344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload protection system
Assignee: RCA Corp
•
Filing: 1945-01-26
•
Granted: 1949-06-14
•
Expires: 1965-01-26
Abstract
No abstract record available.
Inventors
- 👤 William E Mccown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/02; H02H3/06; H02H3/07
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US508652A
Cited
US1737649A
Cited
US1773356A
Cited
US1825015A
Cited
US1874840A
Cited
US1944072A
Cited
US2071860A
Cited
US2142546A
Cited
US2130429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |