US3386002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground fault detector
Assignee: Water Conditioning Products Co
•
Filing: 1965-08-02
•
Granted: 1968-05-28
•
Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Russell Martyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:34
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/16; H02H3/162
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3253188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |