US2770724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Converter
Assignee: Motorola Solutions Inc
•
Filing: 1952-07-26
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Granted: 1956-11-13
•
Expires: 1972-07-26
Abstract
No abstract record available.
Inventors
- 👤 Frihart Henry Neil
- 👤 George F Baroch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:24
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/10; H03; H03D; H03D9/00; H03D9/06; H03D9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2587055A
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US2528167A
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US2566759A
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US2622203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |