US3159759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic stepping device or the like
Assignee: Ford Motor Co
•
Filing: 1962-11-23
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Granted: 1964-12-01
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 Albert R Conrad
- 👤 Eric A Rosenau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:34
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/102; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
IN A COUNTER THE COMBINATION COMPRISING A HOUSING, A DETENT WHEEL MADE OF A LOW RELUCTANCE MATERIAL AND HAVING A PLURALITY OF TEETH, THE NUMBER OF SAID TEETH DETERMINED BY THE NUMBER SYSTEM OF THE COUNTER, SAID DETENT WHEEL ROTATABLY MOUNTED IN SAID HOUSING, A PAWL MADE OF A LOW RELUCTANCE MATERIAL LOCATED ADJACENT TO ONE SURFACE OF SAID DETENT WHEEL, SAID PAWL MOUNTED TO SLIDE ALONG A STRAIGHT LINE IN SAID HOUSING WHEN SUBJECTED TO A MAGNETIC FIELD, A DETENT MAGNET LOCATED ADJACENT SAID TEETH, AND AN ELECTROMAGNETIC CIRCUIT MEANS FOR PERIODICALLY CAUSING A MAGNETIC FIELD AND FOR COMPLETING A MAGNETIC CIRCUIT, SAID ELECTROMAGNETIC CIRCUIT MEANS INCLUDING SAID PAWL AND SAID DETENT WHEEL AS AN
References Cited (Backward Citations)
US1907531A
Cited
US2606222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |