US2645285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer
Assignee: Schneider Electric USA Inc
•
Filing: 1949-04-26
•
Granted: 1953-07-14
•
Expires: 1969-04-26
Abstract
No abstract record available.
Inventors
- 👤 Carl A Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:02
CPC Classifications
G; G04; G04F; G04F1/00
Claims Analysis
Total Claims: 0
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US2538038A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |