US3391389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital harmonic rejection circuit
Assignee: General Time Corp
•
Filing: 1964-05-08
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Granted: 1968-07-02
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Richard E Cruger
- 👤 Michael J Ingenito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:02
CPC Classifications
B; B05; B05B; B05B12/00; B05B12/02; H; H03; H03K; H03K9/00; H03K9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3184606A
Cited
US3200263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |