US3495327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electrical coils
Assignee: Individual
•
Filing: 1966-06-03
•
Granted: 1970-02-17
•
Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Paul Eisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:02
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F27/00; H01F27/28; H01F27/2847; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US783546A
Cited
US1365568A
Cited
US2014524A
Cited
US2378884A
Cited
US2851765A
Cited
US2961747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |