US3199538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Warner Lambert Co LLC
•
Filing: 1962-03-29
•
Granted: 1965-08-10
•
Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Erik W Anthon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:08
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/168; F16K27/00; F16K27/04; F16K27/041; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86558; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/87153; Y10T137/87161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A VALVE COMPRISING A HOUSING ENCLOSING AN ELONGATED CHAMBER HAVING A SUBSTANTIALLY UNIFORM CROSS-SECTION, A ROD HAVING A SUBSTANTIALLY UNIFORM CROSS-SECTION MOUNTED FOR AXIAL MOVEMENT WITHIN SAID HOUSING, SAID ROD BEING OF A SIZE SOMEWHAT SMALLER THAN THE CHAMBER OF THE HOUSING TO DEFINE A SPACE BETWEEN THE OUTER SURFACE OF THE ROD AND THE INNER SURFACE OF THE HOUSING, A PLURALITY OF SEALING UNITS CARRIED IN SAID HOUSING ADAPTED TO FIT AROUND THE PERIMETER OF SAID ROD AND DIVIDE THE SPACE BETWEEN THE ROD AND THE HOUSING INTO A PLURALITY OF COMPARTMENTS, AND A RECESS IN THE ROD ADAPTED TO PROVIDE COMMUNICATION PAST ANY ONE OF SAID SEALING UNITS WHEN IN JUXTAPOSED POSITION THERETO TO PROVIDE COMMUNICATION BETWEEN TWO ADJACENT COMPARTMENTS, SAID RECESS BEING FORMED IN THE SURFACE OF THE ROD BY A CUT EXTENDING AT AN ACUTE ANGLE TO A PLANE PERPENDICULAR TO THE AXIS OF THE ROD.
Claim 2
Dependent Claim
150 words
A VALVE COMPRISING A HOUSING ENCLOSING AN ELONGATED CHAMBER HAVING A SUBSTANTIALLY UNIFORM CROSS-SECTION, A ROD HAVING A SUBSTANTIALLY UNIFORM CROSS-SECTION MOUNTED FOR AXIAL MOVEMENT WITHIN SAID HOUSING, SAID ROD BEING OF A SIZE SOMEWHAT SMALLER THAN THE CHAMBER OF THE HOUSING TO DEFINE A SPACE BETWEEN THE OUTER SURFACE OF THE ROD AND THE INNER SURFACE OF THE HOUSING, A PLURALITY OF SEALING UNITS CARRIED IN SAID HOUSING ADAPTED TO FIT AROUND THE PERIMETER OF SAID ROD AND DIVIDE THE SPACE BETWEEN THE ROD AND THE HOUSING INTO A PLURALITY OF COMPARTMENTS, AND A RECESS IN THE ROD ADAPTED TO PROVIDE COMMUNICATION PAST ANY ONE OF SAID SEALING UNITS WHEN IN JUXTAPOSED POSITION THERETO TO PROVIDE COMMUNICATION BETWEEN TWO ADJACENT COMPARTMENTS, SAID RECESS BEING FORMED IN THE SURFACE OF THE ROD BY A CUT EXTENDING AT AN ACUTE ANGLE TO A PLANE PERPENDICULAR TO THE AXIS OF THE ROD.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |