US2486295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed control system
Assignee: Westinghouse Electric Corp
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Filing: 1947-01-25
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Granted: 1949-10-25
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Expires: 1967-01-25
Abstract
No abstract record available.
Inventors
- 👤 George E King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:12
CPC Classifications
B; B23; B23Q; B23Q15/00; B23D; B23D7/00; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/5041; Y10T409/504428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |