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US2804518A
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Assignee: Individual
•
Filing: 1954-10-25
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Granted: 1957-08-27
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Cooley Hal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US565985A
Cited
DE699682C
Cited
US2483717A
Cited
US2440042A
Cited
US2595769A
Cited
US2544979A
Cited
US2637792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |