US3202913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High sensitivity hall effect probe
Assignee: International Business Machines Corp
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Filing: 1961-05-29
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Granted: 1965-08-24
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 John C Marinace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:59
CPC Classifications
H; H10; H10N; H10N52/00; H10N52/101; H10N50/00; H10N50/80; H10N50/85
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A HIGH SENSITIVITY HALL EFFECT PROBE FOR USE IN SENSING MAGNETIC FIELDS COMPRISING A MONOCRYSTALLINE SUBSTRATE OF SEMICONDUCTOR MATERIAL HAVING A RELATIVELY HIGH RESISTIVITY SERVING AS AN INSULATIVE SUPPORT, A THIN MONOCRYSTALLINE CONDUCTIVE LAYER OF SEMICONDUCTOR MATERIAL HAVING A RELATIVELY LOW RESISTIVITY ON SAID SUBSTRATE,
References Cited (Backward Citations)
DE1029941B
Cited
US2914728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |