US2800622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric system and method
Assignee: Individual
•
Filing: 1955-12-07
•
Granted: 1957-07-23
•
Expires: 1975-12-07
Abstract
No abstract record available.
Inventors
- 👤 Kurt S Lion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:04
CPC Classifications
H; H05; H05H; H05H1/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/18; H01; H01J; H01J17/00; H01J17/02; H01J17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696584A
Cited
US2696566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |