US2906954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-scanning frequency analyzer
Assignee: TDK Micronas GmbH
•
Filing: 1955-08-22
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Granted: 1959-09-29
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Alan D White
- 👤 John F Heney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:06
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/14; G; G01; G01R; G01R23/00; G01R29/00; G01R29/08; G01R29/0864; G01R29/0892; H01J17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423459A
Cited
US2532175A
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US2598301A
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US2500431A
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US2555131A
Cited
US2745014A
Cited
US2774876A
Cited
US2762872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |