US3341676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid switch
Assignee: Beltone Electronics Corp
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Filing: 1965-12-29
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Granted: 1967-09-12
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Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Phillip L Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:47
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H29/00; H01H29/004; H01H35/00; H01H35/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE IMPROVEMENT OF A FLUID SWITCH CONSTRUCTION COMPRISING THE COMBINATION OF A SEALED SUBSTANTIALLY NONDEFORMABLE HOLLOW CONTAINER, A PLURALITY OF ELECTRICAL TERMINALS SPACED FROM EACH OTHER AND EXTENDING INTO SAID CONTAINER, AN ELECTRICALLY CONDUCTIVE NON-WETTING FLUID PARTIALLY FILLING THE INTERIOR HOLLOW PORTION OF SAID CONTAINER AND IN CONTACT WITH SAID ELECTRICAL TERMINALS SO AS TO PROVIDE A CLOSED ELECTRICAL CIRCUIT PATH BETWEEN SAID TEMINALS, A BARRIER OF DEFORMABLE, ELECTRICALLY INSULATING MATERIAL POSITIONED WITHIN SAID HOLLOW CONTAINER, SAID BARRIER DEFINING AT LEAST ONE APERTURE THROUGH WHICH SAID FLUID IS POSITIONED, AND SELECTIVELY OPERABLE MEANS FOR DEFORMING SAID BARRIER TO CAUSE SAID APERTURE TO BE ALTERED FOR SEPARATING SAID FLUID INTO SEPARATE, SPACED-APART SEGMENTS TO THEREBY OPEN SAID CLOSED ELECTRICAL CIRCUIT PATH BETWEEN THE ELECTRICAL TERMINALS.
Claim 2
Dependent Claim
124 words
THE IMPROVEMENT OF A FLUID SWITCH CONSTRUCTION COMPRISING THE COMBINATION OF A SEALED SUBSTANTIALLY NONDEFORMABLE HOLLOW CONTAINER, A PLURALITY OF ELECTRICAL TERMINALS SPACED FROM EACH OTHER AND EXTENDING INTO SAID CONTAINER, AN ELECTRICALLY CONDUCTIVE NON-WETTING FLUID PARTIALLY FILLING THE INTERIOR HOLLOW PORTION OF SAID CONTAINER AND IN CONTACT WITH SAID ELECTRICAL TERMINALS SO AS TO PROVIDE A CLOSED ELECTRICAL CIRCUIT PATH BETWEEN SAID TEMINALS, A BARRIER OF DEFORMABLE, ELECTRICALLY INSULATING MATERIAL POSITIONED WITHIN SAID HOLLOW CONTAINER, SAID BARRIER DEFINING AT LEAST ONE APERTURE THROUGH WHICH SAID FLUID IS POSITIONED, AND SELECTIVELY OPERABLE MEANS FOR DEFORMING SAID BARRIER TO CAUSE SAID APERTURE TO BE ALTERED FOR SEPARATING SAID FLUID INTO SEPARATE, SPACED-APART SEGMENTS TO THEREBY OPEN SAID CLOSED ELECTRICAL CIRCUIT PATH BETWEEN THE ELECTRICAL TERMINALS.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |