Patent US2946915A successfully refreshed from Google Patents.
US2946915A
Expired / Lapsed
US
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Grid construction
Assignee: General Electric Co
•
Filing: 1954-07-21
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Granted: 1960-07-26
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Expires: 1974-07-21
Abstract
No abstract record available.
Inventors
- 👤 Allen P Haase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:33
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/28; H01J19/38; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0015; H01J2893/0017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1722468A
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GB302418A
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US1844319A
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US1933109A
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US2115855A
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US2185590A
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US2246380A
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US2233741A
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US2261154A
Cited
US2469689A
Cited
US2443119A
Cited
FR1039594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |