US3139548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical motor and driving gears for time-pieces
Assignee: UHRENFABRIK VILLINGEN J KAISER GmbH
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Filing: 1962-04-23
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Granted: 1964-06-30
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Krischker Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:53
CPC Classifications
G; G04; G04C; G04C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
IN A DRIVE MECHANISM OF THE CHARACTER DESCRIBED, IN COMBINATION, FIRST STATIONARY MAGNETIC MEANS; SECOND MAGNETIC MEANS CLOSELY SPACED FROM SAID FIRST MAGNETIC MEANS AND MOVABLE IN AXIAL DIRECTION RELATIVE THERETO BETWEEN A POSITION OF EQUILIBRIUM AND A DISPLACED POSITION IN WHICH SAID SECOND MAGNETIC MEANS IS AXIALLY DISPLACED RELATIVE TO SAID FIRST MAGNETIC MEANS SO THAT THE MAGNETIC FIELD CREATED BETWEEN SAID MAGNETIC MEANS PRODUCES A MAGNETIC FORCE TENDING TO MOVE SAID SECOND MAGNETIC MEANS IN ONE DIRECTION FROM SAID DISPLACED POSITION INTO SAID POSITION OF EQUILIBRIUM, SAID MAGNETIC MEANS CONSTRUCTED SO THAT THE MAGNETIC FORCE PRODUCED BY THE MAGNETIC FIELD AND ACTING AS DRIVE FORCE FOR THE MECHANISM IS SUBSTANTIALLY CONSTANT DURING MOVEMENT OF SAID SECOND MAGNETIC MEANS FROM SAID DISPLACED POSITION TO SAID POSITION OF EQUILIBRIUM; SUPPORT MEANS SUPPORTING SAID SECOND MAGNETIC MEANS FOR MOVEMENT BETWEEN SAID POSITIONS THEREOF; AND MEANS COOPERATING WITH SAID SECOND MAGNETIC MEANS FOR MOVING THE SAME TO SAID DISPLACED POSITION AS SOON AS IT REACHES ITS POSITION OF EQUILIBRIUM AND FOR RELEASING THE SAME IN SAID DISPLACED POSITION FOR MOVEMENT TO SAID POSITION OF EQUILIBRIUM UNDER THE INFLUENCE OF SAID MAGNETIC FIELD.
Claim 2
Dependent Claim
190 words
IN A DRIVE MECHANISM OF THE CHARACTER DESCRIBED, IN COMBINATION, FIRST STATIONARY MAGNETIC MEANS; SECOND MAGNETIC MEANS CLOSELY SPACED FROM SAID FIRST MAGNETIC MEANS AND MOVABLE IN AXIAL DIRECTION RELATIVE THERETO BETWEEN A POSITION OF EQUILIBRIUM AND A DISPLACED POSITION IN WHICH SAID SECOND MAGNETIC MEANS IS AXIALLY DISPLACED RELATIVE TO SAID FIRST MAGNETIC MEANS SO THAT THE MAGNETIC FIELD CREATED BETWEEN SAID MAGNETIC MEANS PRODUCES A MAGNETIC FORCE TENDING TO MOVE SAID SECOND MAGNETIC MEANS IN ONE DIRECTION FROM SAID DISPLACED POSITION INTO SAID POSITION OF EQUILIBRIUM, SAID MAGNETIC MEANS CONSTRUCTED SO THAT THE MAGNETIC FORCE PRODUCED BY THE MAGNETIC FIELD AND ACTING AS DRIVE FORCE FOR THE MECHANISM IS SUBSTANTIALLY CONSTANT DURING MOVEMENT OF SAID SECOND MAGNETIC MEANS FROM SAID DISPLACED POSITION TO SAID POSITION OF EQUILIBRIUM; SUPPORT MEANS SUPPORTING SAID SECOND MAGNETIC MEANS FOR MOVEMENT BETWEEN SAID POSITIONS THEREOF; AND MEANS COOPERATING WITH SAID SECOND MAGNETIC MEANS FOR MOVING THE SAME TO SAID DISPLACED POSITION AS SOON AS IT REACHES ITS POSITION OF EQUILIBRIUM AND FOR RELEASING THE SAME IN SAID DISPLACED POSITION FOR MOVEMENT TO SAID POSITION OF EQUILIBRIUM UNDER THE INFLUENCE OF SAID MAGNETIC FIELD.
References Cited (Backward Citations)
US1208147A
Cited
DE1097912B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |