US3264633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic power meter reading over neutral power transmission line
Assignee: General Electric Co
•
Filing: 1961-03-22
•
Granted: 1966-08-02
•
Expires: 1981-03-22
Abstract
No abstract record available.
Inventors
- 👤 Martin W Hellar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:45
CPC Classifications
H; H04; H04Q; H04Q9/00; G; G01; G01D; G01D4/00; G01D4/002; G01D4/004; H02; H02J; H02J13/00; H02J13/12; Y; Y02; Y02B; Y02B90/00; Y02B90/20; Y02E; Y02E60/00; Y04; Y04S; Y04S10/00; Y04S10/30; Y04S20/00; Y04S20/30
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |