US2581124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating-volatge compression network
Assignee: TI Gotham Inc
•
Filing: 1947-07-23
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Granted: 1952-01-01
•
Expires: 1967-07-23
Abstract
No abstract record available.
Inventors
- 👤 Moe William West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G06G7/28; G06G7/16; G06G7/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1776822A
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US2003428A
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US2240289A
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US2215946A
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US2286730A
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US2434155A
Cited
US2463553A
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US2451950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |