US3151631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling having a split ring sealing means for waterworks and the like
Assignee: Individual
•
Filing: 1962-07-06
•
Granted: 1964-10-06
•
Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Yano Shinkichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:02
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/168; F16L55/17; F16L55/172
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PIPE COUPLING HAVING A SPLIT RING SEALING MEANS FOR WATERWORKS AND THE LIKE, COMPRISING A SPLIT RING COMPOSED OF 3 OR MORE SECTIONS SAID RING HAVING A CIRCUMFERENTIAL GROOVE OF A UNIFORM DEPTH ON THE EDGES OF SAID RING, A CIRCULAR GASKET OF A UNIFORM SECTION TO BE FITTED INTO EACH OF SAID CIRCULAR GROOVES, A SUITABLE NUMBER OF HOLES IN COMMUNICATION WITH ONE OF EDGES OPENED TO ONE SIDE, AND PINS BEING INSERTED INTO SAID HOLES TO FIX SAID GASKET, WITH A CIRCULAR GASKET BEING FITTED INTO SAID CIRCULAR GROOVE,
Claim 2
Dependent Claim
92 words
A PIPE COUPLING HAVING A SPLIT RING SEALING MEANS FOR WATERWORKS AND THE LIKE, COMPRISING A SPLIT RING COMPOSED OF 3 OR MORE SECTIONS SAID RING HAVING A CIRCUMFERENTIAL GROOVE OF A UNIFORM DEPTH ON THE EDGES OF SAID RING, A CIRCULAR GASKET OF A UNIFORM SECTION TO BE FITTED INTO EACH OF SAID CIRCULAR GROOVES, A SUITABLE NUMBER OF HOLES IN COMMUNICATION WITH ONE OF EDGES OPENED TO ONE SIDE, AND PINS BEING INSERTED INTO SAID HOLES TO FIX SAID GASKET, WITH A CIRCULAR GASKET BEING FITTED INTO SAID CIRCULAR GROOVE,
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |