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Patent US3015728A successfully refreshed from Google Patents.
US3015728A
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Noise suppressor system for a superregenerative receiver
Assignee: Hazeltine Research Inc
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Filing: 1959-10-22
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Granted: 1962-01-02
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Richman Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:20
CPC Classifications
H; H03; H03D; H03D11/00; H03D11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271522A
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US2314707A
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US2341325A
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US2657306A
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US2527617A
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US2798900A
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US2756328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |