US3196924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stem flow valve and hand torch
Assignee: Individual
•
Filing: 1961-09-05
•
Granted: 1965-07-27
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Sylvan J Kaminga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:45
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/58; F23; F23D; F23D99/00; F23D99/002; F23D99/004; F23D2206/00; F23D2206/0031; F23D2206/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A VALVE STRUCTURE, COMPRISING: A VALVE HOUSING; AN INLET PASSAGEWAY POSITIONED AT ONE END OF SAID HOUSING; A VALVE BODY SLIDABLY POSITIONED WITHIN SAID HOUSING, IN ONE POSITION SAID VALVE BODY CLOSING SAID INLET PASSAGEWAY AND IN ANOTHER POSITION OPENING SAID INLET PASSAGEWAY; SAID VALVE BODY INCLUDING AN INTERMEDIATE PASSAGEWAY EXTENDING THERETHROUGH; MEANS FOR PREVENTING ROTATION OF SAID VALVE BODY WITH RESPECT TO SAID HOUSING; A HOLLOW VALVE STEM THREADED IN THE OPPOSITE END OF SAID HOUSING AND ALIGNED WITH SAID INLET PASSAGEWAY; SAID VALVE STEM ENGAGING SAID VALVE BODY, WHEREBY MOVEMENT OF SAID VALVE STEM DETERMINES THE LIMIT OF MOVEMENT OF SAID VALVE BODY; AND MEANS SECURED TO SAID VALVE BODY DEFINING AN OUTLET PASSAGEWAY EXTENDING THROUGH SAID HOLLOW VALVE STEM AND COMMUNICATING WITH SAID INTERMEDIATE PASSAGEWAY.
Claim 2
Dependent Claim
128 words
A VALVE STRUCTURE, COMPRISING: A VALVE HOUSING; AN INLET PASSAGEWAY POSITIONED AT ONE END OF SAID HOUSING; A VALVE BODY SLIDABLY POSITIONED WITHIN SAID HOUSING, IN ONE POSITION SAID VALVE BODY CLOSING SAID INLET PASSAGEWAY AND IN ANOTHER POSITION OPENING SAID INLET PASSAGEWAY; SAID VALVE BODY INCLUDING AN INTERMEDIATE PASSAGEWAY EXTENDING THERETHROUGH; MEANS FOR PREVENTING ROTATION OF SAID VALVE BODY WITH RESPECT TO SAID HOUSING; A HOLLOW VALVE STEM THREADED IN THE OPPOSITE END OF SAID HOUSING AND ALIGNED WITH SAID INLET PASSAGEWAY; SAID VALVE STEM ENGAGING SAID VALVE BODY, WHEREBY MOVEMENT OF SAID VALVE STEM DETERMINES THE LIMIT OF MOVEMENT OF SAID VALVE BODY; AND MEANS SECURED TO SAID VALVE BODY DEFINING AN OUTLET PASSAGEWAY EXTENDING THROUGH SAID HOLLOW VALVE STEM AND COMMUNICATING WITH SAID INTERMEDIATE PASSAGEWAY.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |