Patent US2506404A successfully refreshed from Google Patents.
US2506404A
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Assignee: General Electric Co
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Filing: 1947-05-17
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Granted: 1950-05-02
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Expires: 1967-05-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Woodfield
- 👤 Cecil J Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:14
CPC Classifications
F; F16; F16C; F16C25/00; F16C25/02; F16C25/04; F16C23/00; F16C23/02; F16C23/04; F16C25/06; F16C25/08; F16C27/00; F16C27/02; F16C27/04; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/173; H02K5/1732; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2380/00; F16C2380/26; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1423950A
Cited
FR578710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |