US2825780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Controls Company of America
•
Filing: 1955-07-15
•
Granted: 1958-03-04
•
Expires: 1975-07-15
Abstract
No abstract record available.
Inventors
- 👤 Wilbert E Beller
- 👤 Gebel Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:31
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2000398A
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US2228523A
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US2284644A
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US2556216A
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US2548280A
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US2595967A
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US2647968A
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US2630504A
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US2649520A
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US2688058A
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US2727955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |