Patent US2548713A successfully refreshed from Google Patents.
US2548713A
Expired / Lapsed
US
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Insulated multisection condenser rotor shaft
Assignee: Arris Technology Inc
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Filing: 1946-04-04
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Granted: 1951-04-10
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Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Berne N Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:39
CPC Classifications
F; F16; F16C; F16C32/00; H; H01; H01G; H01G5/00; H01G5/38; Y; Y10; Y10S; Y10S464/00; Y10S464/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1702833A
Cited
US1632878A
Cited
US1844839A
Cited
GB282580A
Cited
US1934907A
Cited
US1972510A
Cited
US2394947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |