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Patent US2367110A successfully refreshed from Google Patents.
US2367110A
Expired / Lapsed
US
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Audio amplifier system
Assignee: Lanteris Space LLC
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Filing: 1938-03-09
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Granted: 1945-01-09
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Expires: 1958-03-09
Abstract
No abstract record available.
Inventors
- 👤 Fayers Alfred Ayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
H; H03; H03G; H03G9/00; H03G9/02; H03G9/04; H03G9/06; H03G9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-01-09 | 1948-07-10 | 1949-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-01-09 | 1952-07-10 | 1953-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-01-09 | 1956-07-10 | 1957-01-09 | $7700.00 | Window Closed / Lapsed |