US2316844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: DELTA STAR ELECTRIC CO
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Filing: 1940-11-12
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Granted: 1943-04-20
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Expires: 1960-11-12
Abstract
No abstract record available.
Inventors
- 👤 Elias S Cornell
- 👤 Fjellstedt Thorsten
- 👤 Stanley C Killian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:41
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/26; H01H31/28; H01H2031/286
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |