US3460041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear power amplifier circuit
Assignee: HLF CORP
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Filing: 1966-11-02
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Granted: 1969-08-05
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Expires: 1986-11-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Orwin
- 👤 Robert C Stanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34; H03F1/36; H03C; H03C1/00; H03C1/52; H03C1/60
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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |