Patent US2738466A successfully refreshed from Google Patents.
US2738466A
Expired / Lapsed
US
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Method of constructing and electrical filter
Assignee: Motorola Solutions Inc
•
Filing: 1950-04-13
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Granted: 1956-03-13
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Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Niederman Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:44
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0153; H03H7/0161; H03H7/0169; H03H7/0184; H03H1/00; H03H7/17; H03H7/1708; H03H7/1741; H03H7/1775; H03H7/1783
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |