US3207961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear relay actuator
Assignee: Motors Liquidation Co
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Filing: 1963-09-25
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Granted: 1965-09-21
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Lohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/13; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN COMBINATION, ELECTRICALLY OPERATED RELAY MEANS COMPRISING A SOLENOID ENERGIZABLE TO PRODUCE A MAGNETIC FIELD, AN ARMATURE MOUNTED FOR DISPLACEMENT ALONG THE AXIS OF THE SOLENOID, A CAP MOUNTED ON AN EXTREMITY OF THE ARMATURE AND SUBJECT TO THE MAGNETIC FIELD TO MOVE RELATIVE TO THE SOLENOID, AND A PLURALITY OF DISH-SHAPED SPRING MEMBERS OF LOW MAGNETIC RELUCTANCE DISPOSED COAXIALLY WITH AND NORMAL TO THE ARMATURE AND INTERMEDIATE THE CAP AND THE SOLENOID, THE MEMBERS BEING DISPOSED IN ALTERNATELY OPPOSITE SENSES OF CONCAVITY WITH SUBSTANTIAL PORTIONS OF ADJACENT MEMBERS BEING IN MUTUAL CONTACT THEREBY TO PROVIDE A SPRING FORCE TENDING TO OPPOSE MOVEMENT OF THE ARMATURE AND CAP TOWARD THE ARMATURE.
Claim 2
Dependent Claim
111 words
IN COMBINATION, ELECTRICALLY OPERATED RELAY MEANS COMPRISING A SOLENOID ENERGIZABLE TO PRODUCE A MAGNETIC FIELD, AN ARMATURE MOUNTED FOR DISPLACEMENT ALONG THE AXIS OF THE SOLENOID, A CAP MOUNTED ON AN EXTREMITY OF THE ARMATURE AND SUBJECT TO THE MAGNETIC FIELD TO MOVE RELATIVE TO THE SOLENOID, AND A PLURALITY OF DISH-SHAPED SPRING MEMBERS OF LOW MAGNETIC RELUCTANCE DISPOSED COAXIALLY WITH AND NORMAL TO THE ARMATURE AND INTERMEDIATE THE CAP AND THE SOLENOID, THE MEMBERS BEING DISPOSED IN ALTERNATELY OPPOSITE SENSES OF CONCAVITY WITH SUBSTANTIAL PORTIONS OF ADJACENT MEMBERS BEING IN MUTUAL CONTACT THEREBY TO PROVIDE A SPRING FORCE TENDING TO OPPOSE MOVEMENT OF THE ARMATURE AND CAP TOWARD THE ARMATURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |