Patent US3127589A successfully refreshed from Google Patents.
US3127589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage parameter monitoring device
Assignee: Avien Inc
•
Filing: 1962-03-06
•
Granted: 1964-03-31
•
Expires: 1982-03-06
Abstract
No abstract record available.
Inventors
- 👤 Joel T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:45
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/165; G01R19/18; G01R19/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |