Patent US2425250A successfully refreshed from Google Patents.
US2425250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encased electrical device
Assignee: Weston Electric Instrument Corp
•
Filing: 1945-01-31
•
Granted: 1947-08-05
•
Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Anthony H Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:13
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G01R11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2363796A
Cited
US1387287A
Cited
US2001672A
Cited
US1843234A
Cited
GB389599A
Cited
US2069242A
Cited
US2112322A
Cited
US2183256A
Cited
US2222788A
Cited
US2214354A
Cited
US2249867A
Cited
US2207097A
Cited
US2250980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-04 | 1951-02-03 | 1951-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-04 | 1955-02-03 | 1955-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-04 | 1959-02-03 | 1959-08-05 | $7700.00 | Window Closed / Lapsed |