US3413573A
Expired / Lapsed
US
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Microelectronic frequency selective apparatus with vibratory member and means responsive thereto
Assignee: Westinghouse Electric Corp
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Filing: 1965-06-18
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Granted: 1968-11-26
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Expires: 1985-06-18
Abstract
No abstract record available.
Inventors
- 👤 Harvey C Nathanson
- 👤 Robert A Wickstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:19
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/462; H03B; H03B11/00; H03B11/04; H03B11/10; H03B5/00; H03B5/30; H03B5/32; H03B5/36; H03B5/364; H03C; H03C1/00; H03C1/36; H03F; H03F13/00; H03F3/00; H03F3/189; H03F3/19; H03F3/195; H03H9/48; H03H9/485; H04; H04M; H04M1/00; H04M1/26; H04M1/30; H04M1/50; H10; H10D; H10D99/00; H10N; H10N39/00; H03H9/02; H03H9/02244; H03H2009/02283; H03H2009/02291; H03H2009/02314
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |