Patent US3197765A successfully refreshed from Google Patents.
US3197765A
Expired / Lapsed
US
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Electromagnetic indicators or readout devices
Assignee: General Precision Systems Ltd
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Filing: 1962-07-06
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Granted: 1965-07-27
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Simpkin Kenneth Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:44
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/24; G09F11/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN ELECTROMAGNETIC INDICATOR, COMPRISING, IN COMBINATION: AN ENDLESS FLEXIBLE BAND BEARING A SUCCESSION OF SYMBOLS AND A SUCCESSION OF PATCHES OF LOW MAGNETIC RELUCTANCE; MEANS FOR MOVING SAID BAND TO MOVE SAID SYMBOLS SUCCESSIVELY TO A VIEWING AREA. AND A PLURALITY OF MAGNETIC CIRCUITS SPACED ALONG AND ADJACENT SAID BAND AT FIXED POSITIONS, WHEREBY DIFFERENT POSITIONS OF SAID END-
Claim 2
Dependent Claim
59 words
AN ELECTROMAGNETIC INDICATOR, COMPRISING, IN COMBINATION: AN ENDLESS FLEXIBLE BAND BEARING A SUCCESSION OF SYMBOLS AND A SUCCESSION OF PATCHES OF LOW MAGNETIC RELUCTANCE; MEANS FOR MOVING SAID BAND TO MOVE SAID SYMBOLS SUCCESSIVELY TO A VIEWING AREA. AND A PLURALITY OF MAGNETIC CIRCUITS SPACED ALONG AND ADJACENT SAID BAND AT FIXED POSITIONS, WHEREBY DIFFERENT POSITIONS OF SAID END-
References Cited (Backward Citations)
US3067409A
Cited
US3016526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |