Patent US2282968A successfully refreshed from Google Patents.
US2282968A
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Coupling apparatus
Assignee: General Electric Co
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Filing: 1940-09-18
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Granted: 1942-05-12
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Expires: 1960-09-18
Abstract
No abstract record available.
Inventors
- 👤 Edwin W Kenefake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:51
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/38; H03H7/46; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/50; H04B1/52; H04B3/00; H04B3/54; H04B3/56
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) | 1945-05-11 | 1945-11-10 | 1946-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-11 | 1949-11-10 | 1950-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-11 | 1953-11-10 | 1954-05-12 | $7700.00 | Window Closed / Lapsed |