Patent US2832911A successfully refreshed from Google Patents.
US2832911A
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US
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Thermal compensating grid frame
Assignee: General Electric Co
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Filing: 1954-05-27
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Granted: 1958-04-29
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Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Harry L Van Velzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:58
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J29/00; H01J29/46; H01J29/80; H01J29/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1165934A
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US1670124A
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US2027521A
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US2152556A
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US2611100A
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US2653263A
Cited
US2736832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |