US3127148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved coupling
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:12
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/007; F16L37/00; F16L37/22; F16L37/28; F16L37/38; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A VALVED COUPLING FOR PNEUMATIC LINES HAVING SEPARABLE NIPPLE AND SOCKET PORTIONS EACH HAVING AN ALIGNED BORE THERETHROUGH, SAID NIPPLE HAVING A CYLINDRICAL NOSE PORTION TERMINATING IN A PLANE PERPENDICULAR TO THE AXIS OF THE BORE, SAID SOCKET PORTION ADAPTED TO RECEIVE AND CONNECT WITH THE NIPPLE PORTION, AND SWINGING CLAM SHELL TYPE VALVING MEANS WITHIN THE SOCKET PORTION ADAPTED TO BE OPEN WHEN THE COUPLING IS CONNECTED FOR PERMITTING SUBSTANTIALLY FULL FLOW THROUGH THE SOCKET AND ADAPTED TO BE CLOSED WHEN THE TWO PARTS OF THE COUPLING ARE SAPARATED FOR RESTRICTING FLOW THROUGH THE SOCKET, SAID VALVING MEANS COMPRISING A PLURALITY OF CONCAVO-CONVEX, PETAL-SHAPED ELEMENTS CIRCUMFERENTIALLY SPACED AROUND THE BORE OF THE SOCKET, EACH OF SAID ELEMENTS BEING GENERATED FROM A CYLINDRICAL SURFACE AND BOUNDED BY AN UPSTREAM AND A DOWNSTREAM ARCUATE EDGE WHICH MEET TOGETHER AT THEIR ENDS,
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |