US3202168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air valve for heating systems
Assignee: Gorton Heating Corp
•
Filing: 1963-01-17
•
Granted: 1965-08-24
•
Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 Glenn B Klinefelter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:05
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/08; F24D19/082; F24D19/083; F24D19/085; F24D19/087; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN AIR VALVE DEVICES FOR HOT WATER HEATING SYSTEMS, A VALVE CASING INCLUDING A BOTTOM WALL, A NIPPLE MOUNTED IN AND PROJECTING FROM SAID BOTTOM WALL, SAID NIPPLE BEING ADAPTED TO BE COUPLED WITH A RADIATOR, SAID NIPPLE HAVING A BORE EXTENDING COMPLETELY THERETHROUGH, A LIQUID FEED TUBE ARRANGED IN AND EXTENDING LONGITUDINALLY OF SAID NIPPLE, SAID TUBE BEING GREATER IN LENGTH THAN THE LENGTH OF SAID BORE AND HAVING AN OUTSIDE DIAMETER MATERIALLY SMALLER THAN THE DIAMETER OF THE BORE OF SAID NIPPLE, THE UPPER END OF SAID FEED TUBE HAVING A PAIR OF LATERALLY EXTENDING WING PORTIONS LYING WITHIN THE OUTSIDE DIAMETER
Claim 2
Dependent Claim
104 words
IN AIR VALVE DEVICES FOR HOT WATER HEATING SYSTEMS, A VALVE CASING INCLUDING A BOTTOM WALL, A NIPPLE MOUNTED IN AND PROJECTING FROM SAID BOTTOM WALL, SAID NIPPLE BEING ADAPTED TO BE COUPLED WITH A RADIATOR, SAID NIPPLE HAVING A BORE EXTENDING COMPLETELY THERETHROUGH, A LIQUID FEED TUBE ARRANGED IN AND EXTENDING LONGITUDINALLY OF SAID NIPPLE, SAID TUBE BEING GREATER IN LENGTH THAN THE LENGTH OF SAID BORE AND HAVING AN OUTSIDE DIAMETER MATERIALLY SMALLER THAN THE DIAMETER OF THE BORE OF SAID NIPPLE, THE UPPER END OF SAID FEED TUBE HAVING A PAIR OF LATERALLY EXTENDING WING PORTIONS LYING WITHIN THE OUTSIDE DIAMETER
References Cited (Backward Citations)
US2300962A
Cited
US2516225A
Cited
US2510825A
Cited
US2633142A
Cited
US2970610A
Cited
US3002522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |