US2648032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control center
Assignee: Schneider Electric USA Inc
•
Filing: 1950-09-21
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Granted: 1953-08-04
•
Expires: 1970-09-21
Abstract
No abstract record available.
Inventors
- 👤 Earl F Mekelburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:19
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/20; H02B1/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1379767A
Cited
US1930028A
Cited
US2147023A
Cited
US2132630A
Cited
US2319415A
Cited
US2343178A
Cited
US2359247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |