US2416864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating wire-wound electrical resistors
Assignee: EIDP Inc
•
Filing: 1944-08-22
•
Granted: 1947-03-04
•
Expires: 1964-08-22
Abstract
No abstract record available.
Inventors
- 👤 Burton C Bricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:29
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/04; C; C23; C23D; C23D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US787047A
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US1365331A
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US1530928A
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US1787749A
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US1948382A
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US1989736A
Cited
US2134752A
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US2118798A
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US2213969A
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US2385702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |