US3488591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage and current responsive apparatus employing molecular function block sensors sensitive to electric and magnetic fields for use in a high voltage bushing
Assignee: Westinghouse Electric Corp
•
Filing: 1965-03-11
•
Granted: 1970-01-06
•
Expires: 1985-03-11
Abstract
No abstract record available.
Inventors
- 👤 Charles F Sonnenberg
- 👤 William M Kreh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/14; H; H01; H01B; H01B17/00; H01B17/26; H01B17/28; H02; H02H; H02H1/00; H02H1/0007
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2187541A
Cited
US2946955A
Cited
US2953629A
Cited
US3040266A
Cited
US3021459A
Cited
US3255208A
Cited
US3146518A
Cited
US3299218A
Cited
US3273066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |