US3214854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animated device
Assignee: Individual
•
Filing: 1962-08-07
•
Granted: 1965-11-02
•
Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert G Swan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:13
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/30; G09F11/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
255 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING A NONMAGNETIC SUBSTANTIALLY FLAT UPRIGHT BASE, AN ARM MOUNTED ON ONE SIDE OF SAID BASE FOR PIVOTAL MOVEMENT ABOUT AN AXIS PERPENDICULAR THERETO, A PERMANENT MAGNET FIXED TO SAID ARM, THE POLES OF SAID MAGNET BEING ON A LINE PERPENDICULAR TO SAID ARM AND PARALLEL TO AID BASE, TWO NORMALLY SEPARATED BUT PARTIALLY OVERLAPPING FLAT RESILIENT MAGNETIC LEAF CONTACTS IN PARALLEL RELATION, SAID CONTACTS AND SAID PERMANENT MAGNET BEING ON OPPOSITE SIDES OF SAID BASE, THE OUTER ENDS OF SAID CONTACTS BEING FIXED TO SAID BASE, THE CONTACTS BEING PARALLEL TO SAID BASE AND SUFFICIENTLY CLOSE TO THE PATH OF MOVEMENT OF SAID PERMANENT MAGNET TO BE MAGNETIZED THEREBY DURING ONE PORTION OF ITMOVEMENT WHEN SAID LINE CONNECTING THE MAGNET POLE IS SUBSTANTIALLY PARALLEL TO SAID CONTACTS, WHEREBY THE OVERLAPPING PORTIONS OF SAID CONTACTS WILL BE BROUGH INTO ELECTRICAL CONDUCTING ENGAGEMENT, AN ELECTROMAGNET MOUNTED ON SAID BASE, SAID ELECTROMAGNET HAVING A COIL WITH AN AXIS PARALLEL TO SAID BASE AND TWO POLES EXTENDING PERPENDICULAR TO SAID BASE, SAID POLES BEING SPACED A SUFFICIENT DISTANCE FROM SAID LEAF CONTACTS TO PRODUCE NO PHYSICAL EFFECT ON SAID CONTACTS BUT BEING SUFFICIENTLY CLOSE TO SAID ONE PORTION OF THE PERMANENT MAGNET PATH TO IMPET THE PERMANENT MAGNET TO ANOTHER PORTION OF ITS PATH IN RESPONSE TO ENERGIZATION OF SAID ELECTRONMAGNET, AN ELECTRICAL POWER SOURCE, AND MEANS CONNECTING SAID CONTACTS, ELECTROMAGNET AND POWER SOURCE IN AN ELECTRICAL SERIES CIRCUIT, WHEREBY ENGAGEMENT OF SAID CONTACTS WILL CLOSE SAID CIRCUIT AND ENERGIZE SAID ELECTROMAGNET.
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |