US3141940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delay mercury relay
Assignee: Ebert Electronics Corp
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Filing: 1961-10-31
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Granted: 1964-07-21
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Horowitz Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:55
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A MERCURY RELAY TO THE DISPLACER TYPE TO PRODUCE A DELAYED MAKE AND IMMEDIATE BREAK OF ELECTRICAL CONTACT, COMPRISING A POOL OF MERCURY, A CONTAINER FOR SAID POOL OF MERCURY, AN ORIFICED NON-MAGNETIC ELEMENT BUOYANT IN SAID POOL OF MERCURY, A BUOYANT UNMETERED MAGNETIC ARMATURE ELEMENT RESTING ON BUT UNATTACHED TO SAID ORIFICED ELEMENT, AN ELECTROMAGNETIC ENERGIZING COIL SURROUNDING A PORTION OF SAID CONTAINER AND ENERGIZABLE TO URGE SAID ARMATURE ELEMENT DOWNWARDLY INTO SAID POOL OF MERCURY AND IN DOWNWARDLY ACTUATING RELATION TO SAID ORIFICED ELEMENT, AND A PAIR OF SPACED ELECTRODES LOCATED IN SAID CON-
Claim 2
Dependent Claim
96 words
A MERCURY RELAY TO THE DISPLACER TYPE TO PRODUCE A DELAYED MAKE AND IMMEDIATE BREAK OF ELECTRICAL CONTACT, COMPRISING A POOL OF MERCURY, A CONTAINER FOR SAID POOL OF MERCURY, AN ORIFICED NON-MAGNETIC ELEMENT BUOYANT IN SAID POOL OF MERCURY, A BUOYANT UNMETERED MAGNETIC ARMATURE ELEMENT RESTING ON BUT UNATTACHED TO SAID ORIFICED ELEMENT, AN ELECTROMAGNETIC ENERGIZING COIL SURROUNDING A PORTION OF SAID CONTAINER AND ENERGIZABLE TO URGE SAID ARMATURE ELEMENT DOWNWARDLY INTO SAID POOL OF MERCURY AND IN DOWNWARDLY ACTUATING RELATION TO SAID ORIFICED ELEMENT, AND A PAIR OF SPACED ELECTRODES LOCATED IN SAID CON-
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |