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Patent US2503248A successfully refreshed from Google Patents.
US2503248A
Expired / Lapsed
US
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Electronic control system
Assignee: Individual
•
Filing: 1945-12-18
•
Granted: 1950-04-11
•
Expires: 1965-12-18
Abstract
No abstract record available.
Inventors
- 👤 Everett L Deeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:42
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR505906A
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US1907093A
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US1893019A
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US2089677A
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US1980816A
Cited
US2117894A
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US2165510A
Cited
US2284476A
Cited
US2309560A
Cited
US2404307A
Cited
US2416780A
Cited
US2449068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |