US2903652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra-high frequency amplitude modulator
Assignee: TDK Micronas GmbH
•
Filing: 1952-03-11
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Granted: 1959-09-08
•
Expires: 1972-03-11
Abstract
No abstract record available.
Inventors
- 👤 Goldstein Ladislas
- 👤 Patrick E Dorney
- 👤 Murray A Lampert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:14
CPC Classifications
H; H03; H03C; H03C7/00; H03C7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2408425A
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US2413963A
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US2415242A
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US2532157A
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US2593120A
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US2605356A
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US2447543A
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US2557961A
Cited
US2707269A
Cited
US2614246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |