US3307125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating armature for electrically driven chronometers
Assignee: Individual
•
Filing: 1965-10-18
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Granted: 1967-02-28
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Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Schwarzkopf Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065; G04C3/066; H; H02; H02K; H02K33/00; H02K33/02; H02K33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
ELECTROMAGNETIC OSCILLATING ARMATURE ARRANGEMENT FOR THE GENERATION OF PERIODIC, MECHANICAL OSCILLATIONS WHICH CAN BE TAPPED OFF FOR CONTROLLING CHRONOMETERS, COMPRISING AT LEAST ONE STATIONARY ELECTROMAGNET, A PERMANENT MAGNET ARMATURE LOCATED EXTERNALLY OF SAID STATIONARY ELECTROMAGNET AND UNDER THE EFFECT OF A RESTORING FORCE TENDING TO MAINTAIN THE ARMATURE IN A REST POSITION, MEANS MOUNTING SAID ARMATURE FOR OSCILLATORY MOTION IN THE MAGNETIC FIELD OF AND EXTERNALLY OF SAID AT LEAST ONE STATIONARY ELECTROMAGNET, THE FIELD OF SAID ELECTROMAGNET PRODUCING A FORCE ON SAID ARMATURE IN SAID REST POSITION TO MOVE SAID ARMATURE THEREFROM, A CURRENT CIRCUIT PROVIDED FOR SAID AT LEAST ONE STATIONARY ELECTROMAGNET, AT
Claim 2
Dependent Claim
105 words
ELECTROMAGNETIC OSCILLATING ARMATURE ARRANGEMENT FOR THE GENERATION OF PERIODIC, MECHANICAL OSCILLATIONS WHICH CAN BE TAPPED OFF FOR CONTROLLING CHRONOMETERS, COMPRISING AT LEAST ONE STATIONARY ELECTROMAGNET, A PERMANENT MAGNET ARMATURE LOCATED EXTERNALLY OF SAID STATIONARY ELECTROMAGNET AND UNDER THE EFFECT OF A RESTORING FORCE TENDING TO MAINTAIN THE ARMATURE IN A REST POSITION, MEANS MOUNTING SAID ARMATURE FOR OSCILLATORY MOTION IN THE MAGNETIC FIELD OF AND EXTERNALLY OF SAID AT LEAST ONE STATIONARY ELECTROMAGNET, THE FIELD OF SAID ELECTROMAGNET PRODUCING A FORCE ON SAID ARMATURE IN SAID REST POSITION TO MOVE SAID ARMATURE THEREFROM, A CURRENT CIRCUIT PROVIDED FOR SAID AT LEAST ONE STATIONARY ELECTROMAGNET, AT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |