US2810778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control device
Assignee: NESTOR ENGINEERING Co
•
Filing: 1954-02-12
•
Granted: 1957-10-22
•
Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 William A Manty
- 👤 George D Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:38
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/02; H04L12/12; Y; Y02; Y02D; Y02D30/00; Y02D30/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2217572A
Cited
US2538994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |