Patent US3483495A successfully refreshed from Google Patents.
US3483495A
Expired / Lapsed
US
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Pulse transformer and method of fabrication
Assignee: International Business Machines Corp
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Filing: 1968-01-15
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Granted: 1969-12-09
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Expires: 1988-01-15
Abstract
No abstract record available.
Inventors
- 👤 Kendall Clark
- 👤 Frank L De Turris
- 👤 Ronald G Kaper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:13
CPC Classifications
H; H01; H01F; H01F19/00; H01F19/04; H01F19/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |