Patent US2617846A successfully refreshed from Google Patents.
US2617846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf mounted plug coupled detachable type relay
Assignee: SPX Technologies Inc
•
Filing: 1949-10-20
•
Granted: 1952-11-11
•
Expires: 1969-10-20
Abstract
No abstract record available.
Inventors
- 👤 Oscar S Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:48
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1475257A
Cited
US2145797A
Cited
US2178289A
Cited
US2198704A
Cited
US2281958A
Cited
US2256653A
Cited
US2292134A
Cited
US2314225A
Cited
US2431999A
Cited
US2466192A
Cited
US2436756A
Cited
US2446232A
Cited
US2457703A
Cited
US2475448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |