US3297044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air bleed nozzle
Assignee: Powers Regulator Co
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Filing: 1963-10-25
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Granted: 1967-01-10
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 David H Thorburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:20
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/185; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A FLAPPER NOZZLE ARRANGEMENT COMPRISING A VALVE MEMBER HAVING A STEM PORTION, A SPHERICAL VALVE MOUNTED ON ONE END OF SAIS STEM AND A SPHERICAL SWIVEL MEMBER ON THE OTHER END OF SAID STEM OPPOSITE SAID SPHERICAL VALVE, A MOVABLY MOUNTED VALVE SUPPORT MEMBER HAVING AN OPENING THEREIN THROUGH WHICH SAID STEM PORTION OF THE VALVE EXTENDS, A SPRING BIASED MEMBER IN ENGAGEMENT WITH THE SPHERICAL SWIVEL MEMBER FOR MAINTAINING THE SAME IN A SEATED POSITION ON SAID OPENING, AND A VALVE SEAT MEMBER HAVING A PORT THEREIN, SAID VALVE MEMBER COOPERATING WITH SAID VALVE SEAT MEMBER IN COAXIAL RELATIONSHIP WITH SAID PORT FOR CONTROLLING THE FLOW THERETHROUGH.
Claim 2
Dependent Claim
108 words
A FLAPPER NOZZLE ARRANGEMENT COMPRISING A VALVE MEMBER HAVING A STEM PORTION, A SPHERICAL VALVE MOUNTED ON ONE END OF SAIS STEM AND A SPHERICAL SWIVEL MEMBER ON THE OTHER END OF SAID STEM OPPOSITE SAID SPHERICAL VALVE, A MOVABLY MOUNTED VALVE SUPPORT MEMBER HAVING AN OPENING THEREIN THROUGH WHICH SAID STEM PORTION OF THE VALVE EXTENDS, A SPRING BIASED MEMBER IN ENGAGEMENT WITH THE SPHERICAL SWIVEL MEMBER FOR MAINTAINING THE SAME IN A SEATED POSITION ON SAID OPENING, AND A VALVE SEAT MEMBER HAVING A PORT THEREIN, SAID VALVE MEMBER COOPERATING WITH SAID VALVE SEAT MEMBER IN COAXIAL RELATIONSHIP WITH SAID PORT FOR CONTROLLING THE FLOW THERETHROUGH.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |