Patent US3414971A successfully refreshed from Google Patents.
US3414971A
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Method of fabricating read-after-write heads
Assignee: Honeywell Inc
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Filing: 1964-06-09
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Granted: 1968-12-10
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 Robert M Boehme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:40
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/1272; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49021; Y10T29/49032; Y10T29/49055; Y10T29/49059
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3120696A
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US3065311A
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US3082509A
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US3238603A
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US3242556A
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US3222461A
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US3195119A
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US3357097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |