US3516152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a magnetic transducer set
Assignee: NCR Voyix Corp
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Filing: 1968-02-02
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Granted: 1970-06-23
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Expires: 1988-02-02
Abstract
No abstract record available.
Inventors
- 👤 Herman E Austen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:53
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/31; G11B5/1272; G11B5/187; G11B5/3103; G11B5/3106; G11B5/3163; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49021; Y10T29/49032; Y10T29/49036; Y10T29/49043; Y10T29/4906; Y10T29/49117; Y10T29/49124; Y10T29/4998; Y10T29/49982; Y10T29/49986
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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |