US2759052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplifier semi-conductor volume compression system
Assignee: Motorola Solutions Inc
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Filing: 1953-09-21
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Granted: 1956-08-14
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Expires: 1973-09-21
Abstract
No abstract record available.
Inventors
- 👤 Angus A Macdonald
- 👤 Robert C Baltezore
- 👤 William J Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/002
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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |