US3110087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic storage device
Assignee: RCA Corp
•
Filing: 1957-12-26
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Granted: 1963-11-12
•
Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Jan A Rajchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:21
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06085; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A METHOD OF PROVIDING WINDINGS FOR A BODY OF MAGNETIC MATERIAL HAVING ONE OR MORE APERTURES, THE STEPS OF SIMULTANEOUSLY EVAPORATING ON FIRST PORTIONS OF SAID APERTURED BODY AND A FIRST PART OF THE INNER WALLS OF SAID APERTURES A FIRST METALLIC CONDUCTIVE COATING, WHEREBY SAID FIRST COATING MAY BE EMPLOYED AS PART OF ONE OF SAID WINDINGS, THEN SIMULTANEOUSLY EVAPORATING
Claim 2
Dependent Claim
62 words
IN A METHOD OF PROVIDING WINDINGS FOR A BODY OF MAGNETIC MATERIAL HAVING ONE OR MORE APERTURES, THE STEPS OF SIMULTANEOUSLY EVAPORATING ON FIRST PORTIONS OF SAID APERTURED BODY AND A FIRST PART OF THE INNER WALLS OF SAID APERTURES A FIRST METALLIC CONDUCTIVE COATING, WHEREBY SAID FIRST COATING MAY BE EMPLOYED AS PART OF ONE OF SAID WINDINGS, THEN SIMULTANEOUSLY EVAPORATING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |