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US2819356A
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Assignee: General Electric Co
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Filing: 1957-01-31
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Granted: 1958-01-07
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Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hutt Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:08
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |