US2494934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct reading capacity meter
Assignee: Hitachi Rail STS USA Inc
•
Filing: 1944-07-04
•
Granted: 1950-01-17
•
Expires: 1964-07-04
Abstract
No abstract record available.
Inventors
- 👤 Adrian R Doucette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:59
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02; G01R27/26; G01R27/2605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1663086A
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US1917237A
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US2065652A
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US2146073A
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US2218642A
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US2209959A
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US2280678A
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US2228367A
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US2273110A
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US2307316A
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US2362503A
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US2337328A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |