US3270301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-in type miniature relay with transparent cover
Assignee: Sigma Instruments Inc
•
Filing: 1963-06-13
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Granted: 1966-08-30
•
Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Bertil S Bengtsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:59
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
AN ELECTRIC RELAY COMPRISING A MOTOR ASSEMBLY HAVING A U-SHAPED FRAME, THE TRANSVERSE PORTION OF SAID FRAME HAVING A HOLE THERETHROUGH, A MAGNETIC CORE MOUNTED IN SAID FRAME HAVING AN END PASSING THROUGH SAID HOLE AND FORMING A DRIVING FIT THEREWITH, A PLASTIC BOBBIN MOUNTED ON THE CORE, A COIL ON THE BOBBIN, A NONMAGNETIC ARMATURE PIVOT PLATE HAVING A HOLE THEREIN THROUGH WHICH THE MAGNETIC CORES PASSES, THE OUTER END OF THE CORE HAVING A HEAD BEARING AGAINST THE PIVOT PLATE AND HOLDING THE PIVOT PLATE AND BOBBIN IN POSITION WHEN THE INNER END OF THE CORE IS DRIVEN THROUGH THE HOLE IN THE FRAME.
References Cited (Backward Citations)
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US2608630A
Cited
US2505691A
Cited
US2665353A
Cited
US2769881A
Cited
US2861147A
Cited
US3142891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |