Patent US2227925A successfully refreshed from Google Patents.
US2227925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel connection for switches, bus bars, and the like
Assignee: DELTA STAR ELECTRIC CO
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Filing: 1938-05-12
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Granted: 1941-01-07
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Expires: 1958-05-12
Abstract
No abstract record available.
Inventors
- 👤 Elias S Cornell
- 👤 Stanley C Killian
- 👤 Joseph A Stoos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:08
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/025; H01H1/00; H01H1/58; H01H1/5833
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) | 1944-01-07 | 1944-07-08 | 1945-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-07 | 1948-07-08 | 1949-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-07 | 1952-07-08 | 1953-01-07 | $7700.00 | Window Closed / Lapsed |