Patent US2419496A successfully refreshed from Google Patents.
US2419496A
Expired / Lapsed
US
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Voltage control and stabilizing circuits
Assignee: Texaco Inc
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Filing: 1945-04-10
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Granted: 1947-04-22
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Expires: 1965-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur H Lord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:49
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52; G01; G01T; G01T1/00; G01T1/16; G01T1/18; G01V; G01V5/00; G01V5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2301343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |