Patent US2745981A successfully refreshed from Google Patents.
US2745981A
Expired / Lapsed
US
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Mounting means for a vacuum tube electrode assembly
Assignee: AMERICAN TELEVISION Manufacturing CORP I
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Filing: 1952-02-21
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Granted: 1956-05-15
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Expires: 1972-02-21
Abstract
No abstract record available.
Inventors
- 👤 John M Sanabria
- 👤 Edward J Skwarlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:46
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/42; H01J19/50; H01J19/52; H01J2893/00; H01J2893/0001; H01J2893/0002; H01J2893/0005; H01J2893/0009
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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |