US2497663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective condition control
Assignee: General Electric Co
•
Filing: 1946-08-15
•
Granted: 1950-02-14
•
Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 Eaton John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:45
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/025; F23N2225/00; F23N2225/08; F23N2225/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1607392A
Cited
US2175945A
Cited
US2178312A
Cited
US2162296A
Cited
US2209298A
Cited
US2367985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |