Patent US3229182A successfully refreshed from Google Patents.
US3229182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armature voltage sensing and indicating circuit
Assignee: General Electric Co
•
Filing: 1962-03-07
•
Granted: 1966-01-11
•
Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Kubler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:09
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/295; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/917
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2289171A
Cited
GB580005A
Cited
US2516568A
Cited
US2689320A
Cited
US2777106A
Cited
US2799818A
Cited
US2799819A
Cited
US2814012A
Cited
US3064174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |