US2654070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed instrument
Assignee: Weston Electric Instrument Corp
•
Filing: 1948-04-07
•
Granted: 1953-09-29
•
Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Francis X Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:43
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US807434A
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US1945456A
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US2137069A
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US2171183A
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US2210699A
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US2212232A
Cited
US2320946A
Cited
US2346572A
Cited
US2426800A
Cited
US2413414A
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US2463844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |