Patent US3157803A successfully refreshed from Google Patents.
US3157803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split-armature rotary solenoid
Assignee: Individual
•
Filing: 1961-06-28
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Granted: 1964-11-17
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Expires: 1981-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Sterling Graydon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:36
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A ROTARY SOLENOID CONSTRUCTION: A MAGNETIZING COIL PROVIDING AN AXIAL OPENING; A MAGNETIZABLE CASING SURROUNDING SAID COIL; A PAIR OF OPPOSED ARCUATE ARMATURE MEMBERS DISPOSED WITHIN SAID COIL ABOUT THE AXIS THEREOF AND MOVABLE TOWARD AND FROM SAID AXIS AND TOWARD AND FROM EACH OTHER; A ROTARY SHAFT DISPOSED ALONG SAID COIL AXIS AND BETWEEN SAID ARMATURE MEMBERS; ENGAGEABLE DRIVEN MEANS FORMED ON SAID SHAFT FOR ROTARY MOVEMENT OF THE SHAFT; AND DRIVE MEANS ON SAID ARMATURE MEMBERS ENGAGING SAID DRIVEN MEANS FOR ROTARY MOVEMENT OF THE LATTER UPON MAGNETIC SEPARATION OF SAID ARMATURE MEMBERS UNDER MAGNETIZING INFLUENCE OF SAID COIL.
Claim 2
Dependent Claim
102 words
IN A ROTARY SOLENOID CONSTRUCTION: A MAGNETIZING COIL PROVIDING AN AXIAL OPENING; A MAGNETIZABLE CASING SURROUNDING SAID COIL; A PAIR OF OPPOSED ARCUATE ARMATURE MEMBERS DISPOSED WITHIN SAID COIL ABOUT THE AXIS THEREOF AND MOVABLE TOWARD AND FROM SAID AXIS AND TOWARD AND FROM EACH OTHER; A ROTARY SHAFT DISPOSED ALONG SAID COIL AXIS AND BETWEEN SAID ARMATURE MEMBERS; ENGAGEABLE DRIVEN MEANS FORMED ON SAID SHAFT FOR ROTARY MOVEMENT OF THE SHAFT; AND DRIVE MEANS ON SAID ARMATURE MEMBERS ENGAGING SAID DRIVEN MEANS FOR ROTARY MOVEMENT OF THE LATTER UPON MAGNETIC SEPARATION OF SAID ARMATURE MEMBERS UNDER MAGNETIZING INFLUENCE OF SAID COIL.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |