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US2967227A
Expired / Lapsed
US
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Control circuit
Assignee: Schneider Electric USA Inc
•
Filing: 1958-07-08
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Granted: 1961-01-03
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Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Robert C Mierendorf
- 👤 Clarence W Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:27
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2112716A
Cited
US2295601A
Cited
US2472041A
Cited
US2443777A
Cited
US2459041A
Cited
US2763769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |