US2469341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycle timer
Assignee: EAGLE SIGNAL Corp
•
Filing: 1944-06-09
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Granted: 1949-05-03
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Expires: 1964-06-09
Abstract
No abstract record available.
Inventors
- 👤 Pearson Frank Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:29
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518; Y10T74/1523
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB271995A
Cited
US2218698A
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US2201704A
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US2325837A
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US2241887A
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US2328473A
Cited
US2315920A
Cited
US2344253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |