Patent US3713024A successfully refreshed from Google Patents.
US3713024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibratable ammeter having a restoring magnet mounted on a bendable tab
Assignee: Sterling Manufacturing Co
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Filing: 1964-12-17
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Granted: 1973-01-23
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Expires: 1984-12-17
Abstract
Abstract CALIBRATABLE CURRENT-RESPONSIVE METER IN WHICH A MAGNET PROVIDING THE RESTORING FORCE FOR THE INDICATOR IS MOUNTED ON A SUPPORT BENDABLE TOWARD AND AWAY FROM A CURRENT-RESPONSIVE MAGNET ON THE ARBOR OF THE INDICATOR WHEREBY THE RESTORING FORCE MAY BE INCREASED OR DECREASED, RESPECTIVELY.
Inventors
- 👤 B Banus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:44
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |