Patent US2802983A successfully refreshed from Google Patents.
US2802983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eddy-current compensation
Assignee: Individual
•
Filing: 1944-08-21
•
Granted: 1957-08-13
•
Expires: 1964-08-21
Abstract
No abstract record available.
Inventors
- 👤 Walter E Tolles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:57
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1596639A
Cited
US2054318A
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US2054672A
Cited
US2241499A
Cited
US2406870A
Cited
US2412617A
Cited
US2427666A
Cited
US2421583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |