US3138677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact relay with angular pole pieces
Assignee: Leach Corp
•
Filing: 1961-05-29
•
Granted: 1964-06-23
•
Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Andrew O Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:51
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A RELAY COMPRISING A COIL, A CORE EXTENDING THROUGH SAID COIL, A DUALITY OF POLE PIECES, SAID POLE PIECES BEING DISPOSED ONE AT EITHER END OF SAID COIL AND ENGAGING SAID CORE, SAID POLE PIECES EXTENDING LATERALLY FROM SAID CORE TO ONE SIDE OF SAID COIL, AND INCLUDING EXTENSIONS ON SAID ONE SIDE EXTENDING INWARDLY TOWARD THE MIDPORTION OF SAID COIL, SAID POLE EXTENSIONS HAVING SURFACES FALLING IN SUBSTANTIALLY PARALLEL PLANES WHICH PLANES ARE AT AN ACUTE ANGLE WITH RESPECT TO THE AXIS OF SAID COIL, AN ARMATURE, MEANS PIVOTALLY MOUNTING SAID ARMATURE ABOUT AN AXIS AT SAID ONE SIDE OF SAID COIL BETWEEN SAID POLE EXTENSIONS, SAID AXIS BEING SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID COIL, SAID ARMATURE BEING PIVOTAL BETWEEN A POSITION OF ENGAGEMENT WITH SAID POLE EXTENSIONS AND A POSITION REMOTE THEREFROM, AND A LEAF SPRING, SAID SPRING BE-
Claim 2
Dependent Claim
145 words
A RELAY COMPRISING A COIL, A CORE EXTENDING THROUGH SAID COIL, A DUALITY OF POLE PIECES, SAID POLE PIECES BEING DISPOSED ONE AT EITHER END OF SAID COIL AND ENGAGING SAID CORE, SAID POLE PIECES EXTENDING LATERALLY FROM SAID CORE TO ONE SIDE OF SAID COIL, AND INCLUDING EXTENSIONS ON SAID ONE SIDE EXTENDING INWARDLY TOWARD THE MIDPORTION OF SAID COIL, SAID POLE EXTENSIONS HAVING SURFACES FALLING IN SUBSTANTIALLY PARALLEL PLANES WHICH PLANES ARE AT AN ACUTE ANGLE WITH RESPECT TO THE AXIS OF SAID COIL, AN ARMATURE, MEANS PIVOTALLY MOUNTING SAID ARMATURE ABOUT AN AXIS AT SAID ONE SIDE OF SAID COIL BETWEEN SAID POLE EXTENSIONS, SAID AXIS BEING SUBSTANTIALLY AT RIGHT ANGLES TO THE AXIS OF SAID COIL, SAID ARMATURE BEING PIVOTAL BETWEEN A POSITION OF ENGAGEMENT WITH SAID POLE EXTENSIONS AND A POSITION REMOTE THEREFROM, AND A LEAF SPRING, SAID SPRING BE-
References Cited (Backward Citations)
US2455049A
Cited
US1104077A
Cited
US1302817A
Cited
US1283507A
Cited
US1859934A
Cited
US1886372A
Cited
US2055175A
Cited
US2760026A
Cited
US2827528A
Cited
US2810037A
Cited
US2965954A
Cited
US2902565A
Cited
US3041422A
Cited
US3042775A
Cited
US3030469A
Cited
US3060292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |