US2414936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Follow-up control system
Assignee: General Electric Co
•
Filing: 1944-05-25
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Granted: 1947-01-28
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Expires: 1964-05-25
Abstract
No abstract record available.
Inventors
- 👤 Martin A Edwards
- 👤 Hugh M Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:09
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1472; H; H03; H03F; H03F9/00; H03F9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-01-27 | 1950-07-29 | 1951-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-27 | 1954-07-29 | 1955-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-27 | 1958-07-29 | 1959-01-28 | $7700.00 | Window Closed / Lapsed |