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US2501403A
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Assignee: General Electric Co
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Filing: 1947-03-07
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Granted: 1950-03-21
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Expires: 1967-03-07
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Mckinsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:44
CPC Classifications
B; B07; B07B; B07B13/00; B07B13/003; H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US348128A
Cited
US1056369A
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US1197697A
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US1189167A
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US1381240A
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US1657630A
Cited
US1647356A
Cited
US2186652A
Cited
US2356295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |