Patent US2014634A successfully refreshed from Google Patents.
US2014634A
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Assignee: DELTA STAR ELECTRIC CO
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Filing: 1930-12-06
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Granted: 1935-09-17
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Expires: 1950-12-06
Abstract
No abstract record available.
Inventors
- 👤 Nicholas G Polgov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:54
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/05; H02G7/06; H02G7/08; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141; Y10T403/7194
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) | 1938-09-16 | 1939-03-18 | 1939-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-16 | 1943-03-18 | 1943-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-16 | 1947-03-18 | 1947-09-17 | $7700.00 | Window Closed / Lapsed |