US3411524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum breaker
Assignee: TARAS VALVE COMPANY Inc
•
Filing: 1966-10-07
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Granted: 1968-11-19
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Robert E Raine
- 👤 Paul L Traylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:12
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/10; E03C1/102; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A VACUUM BREAKER FOR CONNECTION IN THE DISCHARGE LINE OF AN APPLIANCE WATER SOFTENER OR THE LIKE, AND MOUNTABLE UPON THE UPPER END OF A DRAIN STANDPIPE, SAID VACUUM BREAKER COMPRISING: A CASING INCLUDING A CHAMBER HAVING AIR GAP OPENINGS, SAID CASING BEING ADAPTED FOR CONNECTION TO THE DISCHARGE LINE OF AN APPLIANCE TO RECEIVE LIQUID IN SAID CHAMBER; A DISCHARGE PORTION DEPENDING FROM SAID CASING FOR RECEIVING LIQUID FROM SAID CHAMBER, SAID CASING AND SAID DISCHARGE PORTION INCLUDING A TRANSITION SECTION THEREBETWEEN HAVING A CURVING SURFACE FOR DETECTING LIQUID FLOW INWARDLY, SAID DISCHARGE PORTION FURTHER HAVING A WALL ADAPTED TO FIT AGAINST THE INNER SURFACE OF A STANDPIPE IN COMPACT RELATION THEREWITH; AND AND ELONGATED SKIRT LOCATED ADJACENT SAID WALL AN DEFINING A SPACE THEREBETWEEN FOR RECEIVING THE UPPER END OF THE STANDPIPE.
Claim 2
Dependent Claim
134 words
A VACUUM BREAKER FOR CONNECTION IN THE DISCHARGE LINE OF AN APPLIANCE WATER SOFTENER OR THE LIKE, AND MOUNTABLE UPON THE UPPER END OF A DRAIN STANDPIPE, SAID VACUUM BREAKER COMPRISING: A CASING INCLUDING A CHAMBER HAVING AIR GAP OPENINGS, SAID CASING BEING ADAPTED FOR CONNECTION TO THE DISCHARGE LINE OF AN APPLIANCE TO RECEIVE LIQUID IN SAID CHAMBER; A DISCHARGE PORTION DEPENDING FROM SAID CASING FOR RECEIVING LIQUID FROM SAID CHAMBER, SAID CASING AND SAID DISCHARGE PORTION INCLUDING A TRANSITION SECTION THEREBETWEEN HAVING A CURVING SURFACE FOR DETECTING LIQUID FLOW INWARDLY, SAID DISCHARGE PORTION FURTHER HAVING A WALL ADAPTED TO FIT AGAINST THE INNER SURFACE OF A STANDPIPE IN COMPACT RELATION THEREWITH; AND AND ELONGATED SKIRT LOCATED ADJACENT SAID WALL AN DEFINING A SPACE THEREBETWEEN FOR RECEIVING THE UPPER END OF THE STANDPIPE.
References Cited (Backward Citations)
US1954105A
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US2288247A
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US2295986A
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US2631448A
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |