US2493535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage control and stabilizing circuits
Assignee: Texaco Inc
•
Filing: 1945-03-17
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Granted: 1950-01-03
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Expires: 1965-03-17
Abstract
No abstract record available.
Inventors
- 👤 Herzog Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:24
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/18; G01V; G01V5/00; G01V5/04; G01V5/06; G05; G05F; G05F3/00; G05F3/02; G05F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |