US3233567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and system for venting gaseous matter
Assignee: Johns Manville Corp
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Filing: 1962-12-07
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Granted: 1966-02-08
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Expires: 1982-12-07
Abstract
No abstract record available.
Inventors
- 👤 Goldfield Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:40
CPC Classifications
F; F23; F23J; F23J11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE METHOD OF VENTING AND CONVEYING THE GASEOUS CONTENTS OF A SYSTEM TO AN AREA OF THE ATMOSPHERE OF APPRECIABLE HEIGHT, SAID METHOD COMPRISING EXHAUSTING GASEOUS MATTER FORM THE SYSTEM THROUGH CONDUIT MEANS COMMUNICATING WITH AND CONNECTED IN SUBSTANTIALLY LEAKPROOF RELATION TO ONE END PORTION OF A TERMINAL FLUE COMPRISING A FLEXIBLE STACK OF TUBULAR, FLUID IMPERMEABLE, PLASTIC SHEET MATERIAL HAVING A DISCHARGE OUTLET AT AN OPPOSITE END PORTION, SUPPORTING AND MAINTAINING SAID FLEXIBLE PLASTIC STACK IN A GENERALLY VERTICAL EXTENDING RELATION WITH THE DISCHARGED OUTLET ELEVATED UPWARDLY TO AN APPRECIABLE HEIGHT BY INTERNAL POSITIVE GAS PRESSURE, AND CONVEYING THE EXHAUSTED GASEOUS MATTER UPWARDLY THROUGH THE TERMINAL FLUE COMPRISING THE GENERALLY VERTICAL FLEXIBLE STACK AND DISCHARGING THE EXHAUSTED GASEOUS MATTER INTO THE UPPER ATMOSPHERE.
Claim 2
Independent Claim
124 words
THE METHOD OF VENTING AND CONVEYING THE GASEOUS CONTENTS OF A SYSTEM TO AN AREA OF THE ATMOSPHERE OF APPRECIABLE HEIGHT, SAID METHOD COMPRISING EXHAUSTING GASEOUS MATTER FORM THE SYSTEM THROUGH CONDUIT MEANS COMMUNICATING WITH AND CONNECTED IN SUBSTANTIALLY LEAKPROOF RELATION TO ONE END PORTION OF A TERMINAL FLUE COMPRISING A FLEXIBLE STACK OF TUBULAR, FLUID IMPERMEABLE, PLASTIC SHEET MATERIAL HAVING A DISCHARGE OUTLET AT AN OPPOSITE END PORTION, SUPPORTING AND MAINTAINING SAID FLEXIBLE PLASTIC STACK IN A GENERALLY VERTICAL EXTENDING RELATION WITH THE DISCHARGED OUTLET ELEVATED UPWARDLY TO AN APPRECIABLE HEIGHT BY INTERNAL POSITIVE GAS PRESSURE, AND CONVEYING THE EXHAUSTED GASEOUS MATTER UPWARDLY THROUGH THE TERMINAL FLUE COMPRISING THE GENERALLY VERTICAL FLEXIBLE STACK AND DISCHARGING THE EXHAUSTED GASEOUS MATTER INTO THE UPPER ATMOSPHERE.
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |