US3365635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillating motor for horological instruments
Assignee: S Smith and Sons Ltd
•
Filing: 1964-10-16
•
Granted: 1968-01-23
•
Expires: 1984-10-16
Abstract
No abstract record available.
Inventors
- 👤 Shelley John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:08
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/06; G04C3/065; G04C3/069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN ELECTRICALLY MAINTAINED BALANCE COMPRISING AN INERTIAL MEMBER MOUNTED FOR ROTATIONAL OSCILLATIONS ABOUT AN AXIS, WITH AN AMPLITUDE OF SUBSTANTIALLY 220*, A PLURALITY OF MAGNETIC MEMBERS POSITIONED TO FORM A MAGNETIC CIRCUIT WITH A GAP ACROSS WHICH MAGNETIC FLUX PASSES, FIRST AND SEOCND COILS CARRIED BY THE INERTIAL MEMBER, SAID INERTIAL MEMBER BEING SO POSITIONED THAT DURING ITS OCILLATIONS SAID FIRST AND SECOND COILS PASS THROUGH SAID GAP WHEN VOLTAGE PULSES ARE INDUCED IN SAID FIRST AND SECOND COILS, A DIRECT VOLTAGE SOURCE, AND CIRCUIT MEANS OPERATIVELY CONNECTED TO SAID FIRST AND SECOND COILS AND TO SAID DIRECT VOLTAGE SOURCE, SAID CIRCUIT MEANS BEING CONSTRUCTED TO PERMIT CURRENT PULSES FROM SAID DIRECT VOLTAGE SOURCE TO FLOW THROUGH SAID FIRST COIL RESPONSE TO VOLTAGE PULSES
Claim 2
Dependent Claim
124 words
AN ELECTRICALLY MAINTAINED BALANCE COMPRISING AN INERTIAL MEMBER MOUNTED FOR ROTATIONAL OSCILLATIONS ABOUT AN AXIS, WITH AN AMPLITUDE OF SUBSTANTIALLY 220*, A PLURALITY OF MAGNETIC MEMBERS POSITIONED TO FORM A MAGNETIC CIRCUIT WITH A GAP ACROSS WHICH MAGNETIC FLUX PASSES, FIRST AND SEOCND COILS CARRIED BY THE INERTIAL MEMBER, SAID INERTIAL MEMBER BEING SO POSITIONED THAT DURING ITS OCILLATIONS SAID FIRST AND SECOND COILS PASS THROUGH SAID GAP WHEN VOLTAGE PULSES ARE INDUCED IN SAID FIRST AND SECOND COILS, A DIRECT VOLTAGE SOURCE, AND CIRCUIT MEANS OPERATIVELY CONNECTED TO SAID FIRST AND SECOND COILS AND TO SAID DIRECT VOLTAGE SOURCE, SAID CIRCUIT MEANS BEING CONSTRUCTED TO PERMIT CURRENT PULSES FROM SAID DIRECT VOLTAGE SOURCE TO FLOW THROUGH SAID FIRST COIL RESPONSE TO VOLTAGE PULSES
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |