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 05:04
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G01R11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1387287A
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US2001672A
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US1843234A
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GB389599A
Cited
US2069242A
Cited
US2112322A
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US2183256A
Cited
US2222788A
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US2214354A
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US2249867A
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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 |