US2664551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: General Electric Co
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Filing: 1951-08-02
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Granted: 1953-12-29
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Expires: 1971-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Kuebler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:19
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/58; H01J5/62; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1965231A
Cited
GB610286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |