Patent US5460752A successfully refreshed from Google Patents.
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US3141084A
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Assignee: Individual
•
Filing: 1961-07-11
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Granted: 1964-07-14
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Expires: 1981-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert P Stromberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:44
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING BODY MEANS HAVING THEREIN A CAVITY WITH INTERIOR WALLS CONSISTING ESSENTIALLY OF SPHEROIDAL CONFIGURATION THROUGHOUT ALL PORTIONS OF THE CAVITY, A PAIR OF ELECTRICAL CONDUCTORS EACH EXTENDING THROUGH SAID BODY MEANS AND INCLUDING AN EXPOSED CONDUCTIVE END PORTION DISPOSED IN CLOSE PROXIMITY TO THE CENTER OF SAID SPHEROIDAL CONFIGURATION, SAID END PORTIONS BEING SPACED APART AND NORMALLY ELECTRICALLY ISOLATED FROM EACH OTHER, A QUANTITY OF MERCURIAL LIQUID WITHIN AND SUPPORTED BY SAID SPHEROIDAL CONFIGURATION WALLS AND CONFINED TO CORRESPONDING CONFORMATION AT COEXTENSIVE CONTACTING SURFACES AT ALL POSITIONS OF SAID BODY MEANS WHEN EXPOSED TO AT LEAST NORMAL GRAVIMETRIC CONDITIONS WITH SAID QUANTITY BEING INSUFFICIENT TO CONTACT SAID END PORTIONS DURING SAID NORMAL GRAVIMETRIC CONDITIONS IRRESPECTIVE OF THE POSITION OF SAID BODY MEANS, AND SAID QUANTITY OF MERCURIAL LIQUID BEING SUCH THAT WHEN IN GENERALLY SPHEROIDAL CONFIGURATION THE DIAMETER THEREOF IS GREATER THAN THE RADIUS OF SAID CAVITY, SAID LIQUID UPON APPROACH OF THE DEVICE TO A CONDITION LESS THAN NORMAL GRAVIMETRIC CONDITIONS ASSUMING A GENERALLY SPHEROIDAL CONFIGURATION OF DIAMETER LESS THAN THAT OF SAID CAVITY BUT GREATER THAN THE RADIUS OF SAID CAVITY AND BRIDGING THE SPACE BETWEEN SAID CONDUCTOR END PORTIONS FOR ELECTRICALLY CONNECTING THEM.
Claim 2
Independent Claim
203 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING BODY MEANS HAVING THEREIN A CAVITY WITH INTERIOR WALLS CONSISTING ESSENTIALLY OF SPHEROIDAL CONFIGURATION THROUGHOUT ALL PORTIONS OF THE CAVITY, A PAIR OF ELECTRICAL CONDUCTORS EACH EXTENDING THROUGH SAID BODY MEANS AND INCLUDING AN EXPOSED CONDUCTIVE END PORTION DISPOSED IN CLOSE PROXIMITY TO THE CENTER OF SAID SPHEROIDAL CONFIGURATION, SAID END PORTIONS BEING SPACED APART AND NORMALLY ELECTRICALLY ISOLATED FROM EACH OTHER, A QUANTITY OF MERCURIAL LIQUID WITHIN AND SUPPORTED BY SAID SPHEROIDAL CONFIGURATION WALLS AND CONFINED TO CORRESPONDING CONFORMATION AT COEXTENSIVE CONTACTING SURFACES AT ALL POSITIONS OF SAID BODY MEANS WHEN EXPOSED TO AT LEAST NORMAL GRAVIMETRIC CONDITIONS WITH SAID QUANTITY BEING INSUFFICIENT TO CONTACT SAID END PORTIONS DURING SAID NORMAL GRAVIMETRIC CONDITIONS IRRESPECTIVE OF THE POSITION OF SAID BODY MEANS, AND SAID QUANTITY OF MERCURIAL LIQUID BEING SUCH THAT WHEN IN GENERALLY SPHEROIDAL CONFIGURATION THE DIAMETER THEREOF IS GREATER THAN THE RADIUS OF SAID CAVITY, SAID LIQUID UPON APPROACH OF THE DEVICE TO A CONDITION LESS THAN NORMAL GRAVIMETRIC CONDITIONS ASSUMING A GENERALLY SPHEROIDAL CONFIGURATION OF DIAMETER LESS THAN THAT OF SAID CAVITY BUT GREATER THAN THE RADIUS OF SAID CAVITY AND BRIDGING THE SPACE BETWEEN SAID CONDUCTOR END PORTIONS FOR ELECTRICALLY CONNECTING THEM.
References Cited (Backward Citations)
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |