US3157764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: Texas Instruments Inc
•
Filing: 1961-05-09
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Granted: 1964-11-17
•
Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Berend S Loman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:28
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/546; H01H50/16; H01H50/18; H01H50/30; H01H51/00; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN ELECTRICAL SWITCHING DEVICE COMPRISING A HOUSING, A COIL AND A PAIR OF POLE PIECES; AN ARMATURE DISPOSED WITHIN SAID HOUSING INTERMEDIATE SAID POLE PIECES; SAID ARMATURE BEING IN A MAGNETIC CIRCUIT WITH SAID COIL AND POLE PIECES; SHAFT MEANS MOUNTING SAID ARMATURE FOR ROTATION ABOUT AN AXIS WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID COIL AND FOR ROTATION BETWEEN A FIRST POSITION IN WHICH SAID ARMATURE IS ALIGNED WITH SAID POLE PIECES AND A SECOND POSITION IN WHICH SAID ARMATURE IS OUT OF ALIGNMENT WITH SAID POLE PIECES; SUBSTANTIALLY U-SHAPED ELECTRICALLY CONDUCTIVE SPRING MEANS INCLUDING A PAIR OF LEGS INTERCONNECTED ADJACENT ONE END THEREOF BY A BRIGHT PORTION; SAID SHAFT MEANS INCLUDING A MEMBER OF SUBSTANTIALLY RECTANGULAR CROSS
Claim 2
Dependent Claim
122 words
AN ELECTRICAL SWITCHING DEVICE COMPRISING A HOUSING, A COIL AND A PAIR OF POLE PIECES; AN ARMATURE DISPOSED WITHIN SAID HOUSING INTERMEDIATE SAID POLE PIECES; SAID ARMATURE BEING IN A MAGNETIC CIRCUIT WITH SAID COIL AND POLE PIECES; SHAFT MEANS MOUNTING SAID ARMATURE FOR ROTATION ABOUT AN AXIS WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID COIL AND FOR ROTATION BETWEEN A FIRST POSITION IN WHICH SAID ARMATURE IS ALIGNED WITH SAID POLE PIECES AND A SECOND POSITION IN WHICH SAID ARMATURE IS OUT OF ALIGNMENT WITH SAID POLE PIECES; SUBSTANTIALLY U-SHAPED ELECTRICALLY CONDUCTIVE SPRING MEANS INCLUDING A PAIR OF LEGS INTERCONNECTED ADJACENT ONE END THEREOF BY A BRIGHT PORTION; SAID SHAFT MEANS INCLUDING A MEMBER OF SUBSTANTIALLY RECTANGULAR CROSS
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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) | 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 |