US3330294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replacement valve
Assignee: Individual
•
Filing: 1964-11-23
•
Granted: 1967-07-11
•
Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Manning Oscar
- 👤 William V Draper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:57
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/26; F16K41/00; F16K41/02; F16K41/04; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6011; Y10T137/7504; Y10T137/7668; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
A VALVE COMPRISING A VALVE HEAD AND COOPERATING RELATIVELY MOVABLE SEAT, SAID VALVE HEAD BEING IN THE FORM OF A HOLLOW VALVE STEM HAVING A WALL HAVING A FLUID OPENING COMMUNICATING WITH A LATERAL PORT EXTENDING THROUGH SAID WALL OF SAID VALVE STEM, SAID SEAT BEING IN THE FORM OF A SEALING RING FOR CONTROLLING FLOW THROUGH SAID LATERAL PORT, SAID SEALING RING BEING MOUNTED ON AND CARRIED BY THE EXTERIOR OF SAID VALVE HEAD, IN COMBINATION WITH A VALVE CASING HAVING AN INLET AND OUTLET FOR SAID VALVE STEM AND HAVING A CYLINDRICAL BORE IN WHICH SAID VALVE HEAD AND SEAT SLIDINGLY FIT, MEANS FOR RETAINING SAID SEAT IN SAID CASING, MEANS FOR RECIPROCATING SAID VALVE STEM, AND LONGITUDINALLY-SPACED SHOULDERS AT OPPOSITE SIDES OF SAID SEALING RING, ONE OF SAID SHOULDERS BEING AT THE INNER END OF SAID BORE AND THE OTHER SHOULDER BEING LOCATED ON SAID VALVE STEM, A FOLLOWER FOR SAID SEALING RING OPERATED BY SAID SHOULDER OF SAID VALVE STEM WHEREBY LONGITUDINAL MOVEMENT OF SAID VALVE STEM ACTS TO VARY THE LONGITUDINAL COMPRESSION ON SAID SEALING RING, SAID CASING HAVING A STOP SHOULDER LIMITING INWARD MOVEMENT OF SAID VALVE STEM, SAID SECURING MEANS BEING REMOVABLE, SAID VALVE STEM HAVING A SHOULDER AT ONE SIDE OF SAID SEALING RING FOR REMOVING SAID SEALING RING WITH SAID VALVE STEM WHEN SAID VALVE STEM IS REMOVED FROM SAID CASING.
Claim 2
Dependent Claim
230 words
A VALVE COMPRISING A VALVE HEAD AND COOPERATING RELATIVELY MOVABLE SEAT, SAID VALVE HEAD BEING IN THE FORM OF A HOLLOW VALVE STEM HAVING A WALL HAVING A FLUID OPENING COMMUNICATING WITH A LATERAL PORT EXTENDING THROUGH SAID WALL OF SAID VALVE STEM, SAID SEAT BEING IN THE FORM OF A SEALING RING FOR CONTROLLING FLOW THROUGH SAID LATERAL PORT, SAID SEALING RING BEING MOUNTED ON AND CARRIED BY THE EXTERIOR OF SAID VALVE HEAD, IN COMBINATION WITH A VALVE CASING HAVING AN INLET AND OUTLET FOR SAID VALVE STEM AND HAVING A CYLINDRICAL BORE IN WHICH SAID VALVE HEAD AND SEAT SLIDINGLY FIT, MEANS FOR RETAINING SAID SEAT IN SAID CASING, MEANS FOR RECIPROCATING SAID VALVE STEM, AND LONGITUDINALLY-SPACED SHOULDERS AT OPPOSITE SIDES OF SAID SEALING RING, ONE OF SAID SHOULDERS BEING AT THE INNER END OF SAID BORE AND THE OTHER SHOULDER BEING LOCATED ON SAID VALVE STEM, A FOLLOWER FOR SAID SEALING RING OPERATED BY SAID SHOULDER OF SAID VALVE STEM WHEREBY LONGITUDINAL MOVEMENT OF SAID VALVE STEM ACTS TO VARY THE LONGITUDINAL COMPRESSION ON SAID SEALING RING, SAID CASING HAVING A STOP SHOULDER LIMITING INWARD MOVEMENT OF SAID VALVE STEM, SAID SECURING MEANS BEING REMOVABLE, SAID VALVE STEM HAVING A SHOULDER AT ONE SIDE OF SAID SEALING RING FOR REMOVING SAID SEALING RING WITH SAID VALVE STEM WHEN SAID VALVE STEM IS REMOVED FROM SAID CASING.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |