US2467974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control circuit
Assignee: Askania Regulator Co
•
Filing: 1944-05-19
•
Granted: 1949-04-19
•
Expires: 1964-05-19
Abstract
No abstract record available.
Inventors
- 👤 Glass Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/18; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/915; Y10S388/923; Y10S388/933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2059562A
Cited
US2173740A
Cited
US2292100A
Cited
US2280949A
Cited
US2309525A
Cited
US2359649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |