US2815410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic switch controllers
Assignee: EAGLE SIGNAL Corp
•
Filing: 1954-04-08
•
Granted: 1957-12-03
•
Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Pearson Frank Arthur
- 👤 Clarence R Schwieters
- 👤 Rambo George Leland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:00
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/121; G; G08; G08G; G08G1/00; G08G1/07; G08G1/085; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/1956; Y10T74/19565; Y10T74/1957; Y10T74/19642; Y10T74/19698; Y10T74/19819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US807888A
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US1022742A
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US1380953A
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US1733872A
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US1713685A
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US2028786A
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US2459107A
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US2542853A
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US2498807A
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US2725433A
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US2633755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |