US3207472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular diaphragm valve
Assignee: Tomlinson Industries Inc
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Filing: 1963-01-23
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Granted: 1965-09-21
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Harold O Seltsam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:38
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10; F16K41/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A VALVE FOR CONTROLLING FLUID AND INCLUDING: A VALVE BODY HAVING INLET AND OUTLET PORTS, A FLUID PASSAGEWAY IN THE VALVE BODY INTERCONNECTING SAID PORTS. A SEAL CHAMBER INTERMEDIATE THE ENDS OF THE PASSAGEWAY, A SEALING SEAT DEFINED BY THE SEAL CHAMBER TRANSVERSE THE AXIS OF THE PASSAGEWAY, RESILIENT SEALING MEANS DISPOSED IN THE SEAL CHAMBER, AN ELONGATED TUBULAR BASE PORTION INCLUDED AS A PART OF THE SEALING MEANS AND ALIGNED WITH THE SEAT, AN ELONGATED TUBULAR NIPPLE PORTION INCLUDED AS A PART OF THE SEALING MEANS AND OF SMALLER CROSS-SECTIONAL DIMENSION THAN THE BASE PORTION, THE NIPPLE BEING GENERALLY COAXIAL WITH THE BASE AND EXTENDING THEREFROM TOWARD THE SEAT, MEANS MOUNTING THE BASE PORTION IN THE VALVE BODY AGAINST SUBSTANTIAL AXIAL AND LATERAL MOVEMENT, MEANS FOR RECIPROCATING THE NIPPLE PORTION INTO AND OUT OF FLUID SEALING ENGAGEMENT WITH THE SEAT, AND
Claim 2
Dependent Claim
142 words
A VALVE FOR CONTROLLING FLUID AND INCLUDING: A VALVE BODY HAVING INLET AND OUTLET PORTS, A FLUID PASSAGEWAY IN THE VALVE BODY INTERCONNECTING SAID PORTS. A SEAL CHAMBER INTERMEDIATE THE ENDS OF THE PASSAGEWAY, A SEALING SEAT DEFINED BY THE SEAL CHAMBER TRANSVERSE THE AXIS OF THE PASSAGEWAY, RESILIENT SEALING MEANS DISPOSED IN THE SEAL CHAMBER, AN ELONGATED TUBULAR BASE PORTION INCLUDED AS A PART OF THE SEALING MEANS AND ALIGNED WITH THE SEAT, AN ELONGATED TUBULAR NIPPLE PORTION INCLUDED AS A PART OF THE SEALING MEANS AND OF SMALLER CROSS-SECTIONAL DIMENSION THAN THE BASE PORTION, THE NIPPLE BEING GENERALLY COAXIAL WITH THE BASE AND EXTENDING THEREFROM TOWARD THE SEAT, MEANS MOUNTING THE BASE PORTION IN THE VALVE BODY AGAINST SUBSTANTIAL AXIAL AND LATERAL MOVEMENT, MEANS FOR RECIPROCATING THE NIPPLE PORTION INTO AND OUT OF FLUID SEALING ENGAGEMENT WITH THE SEAT, AND
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |