US2526901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control station
Assignee: Cutler Hammer Inc
•
Filing: 1946-08-16
•
Granted: 1950-10-24
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Clyde F Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:03
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/044; H02B1/26; H02B1/40; H02B1/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US796360A
Cited
US1039139A
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GB179771A
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US1829214A
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US1796521A
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US1851930A
Cited
US1994509A
Cited
US2145154A
Cited
US2271972A
Cited
US2344441A
Cited
US2362304A
Cited
US2423757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |