Patent FR2583072A1 successfully refreshed from Google Patents.
US2023115A
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Range control system
Assignee: Westinghouse Electric Corp
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Filing: 1934-03-30
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Granted: 1935-12-03
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Expires: 1954-03-30
Abstract
No abstract record available.
Inventors
- 👤 Herman M Biebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:52
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213
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) | 1938-12-02 | 1939-06-03 | 1939-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-02 | 1943-06-03 | 1943-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-02 | 1947-06-03 | 1947-12-03 | $7700.00 | Window Closed / Lapsed |