Patent US3107682A successfully refreshed from Google Patents.
US3107682A
Expired / Lapsed
US
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Ventilating system
Assignee: Individual
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Filing: 1961-05-08
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Granted: 1963-10-22
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Lylc M Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:21
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/294; E03C1/295; E03F; E03F7/00; E03F7/02; E03F7/04; F; F16; F16K; F16K24/00; F16K24/06; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/3294; Y10T137/3331; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A VENTILATING SYSTEM FOR USE WITH A DRAIN LINE INCLUDING A GENERALLY T-SHAPED VALVE BODY INCLUDING A CROSS MEMBER DESIGNED FOR CONNECTION AT OPPOSITE ENDS INTO A DRAIN LINE, THE CROSS MEMBER EXTENDING GENERALLY HORIZONTALLY AND DESIGNED TO SUPPORT THE STEM OF THE T GENERALLY UPRIGHT, A LIQUID ACTUATED VALVE PLUNGER SLIDABLY SUPPORTED IN THE STEM OF THE T AND HAVING AN END DESIGNED TO EXTEND ACROSS SAID CROSS MEMBER OF THE T AND TO NORMALLY CLOSE SAID CROSS MEMBER, SAID VALVE PLUNGER HAVING A PASSAGE THERETHROUGH PROVIDING COMMUNICATION BETWEEN THE PORTION OF THE STEM AT THE T ABOVE SAID PLUNGER AND THE DOWNSTREAM END OF SAID CROSS MEMBER WHEN IN SAID DRAIN LINE, AND A FLUTTER VALVE NORMALLY BAISED TO CLOSE THE UPPER END OF THE STEM OF THE T AND OPERABLE TO OPEN THE STEM OF THE T TO ATMOSPHERE WHEN THE ATMOSPHERIC PRESSURE EXCEEDS THE PRESSURE WITHIN THE STEM OF THE T, SAID PLUNGER BEING MOVED UPWARDLY BY WATER IN SAID DRAIN LINE.
Claim 2
Dependent Claim
166 words
A VENTILATING SYSTEM FOR USE WITH A DRAIN LINE INCLUDING A GENERALLY T-SHAPED VALVE BODY INCLUDING A CROSS MEMBER DESIGNED FOR CONNECTION AT OPPOSITE ENDS INTO A DRAIN LINE, THE CROSS MEMBER EXTENDING GENERALLY HORIZONTALLY AND DESIGNED TO SUPPORT THE STEM OF THE T GENERALLY UPRIGHT, A LIQUID ACTUATED VALVE PLUNGER SLIDABLY SUPPORTED IN THE STEM OF THE T AND HAVING AN END DESIGNED TO EXTEND ACROSS SAID CROSS MEMBER OF THE T AND TO NORMALLY CLOSE SAID CROSS MEMBER, SAID VALVE PLUNGER HAVING A PASSAGE THERETHROUGH PROVIDING COMMUNICATION BETWEEN THE PORTION OF THE STEM AT THE T ABOVE SAID PLUNGER AND THE DOWNSTREAM END OF SAID CROSS MEMBER WHEN IN SAID DRAIN LINE, AND A FLUTTER VALVE NORMALLY BAISED TO CLOSE THE UPPER END OF THE STEM OF THE T AND OPERABLE TO OPEN THE STEM OF THE T TO ATMOSPHERE WHEN THE ATMOSPHERIC PRESSURE EXCEEDS THE PRESSURE WITHIN THE STEM OF THE T, SAID PLUNGER BEING MOVED UPWARDLY BY WATER IN SAID DRAIN LINE.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |