US3583064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transition piping joint
Assignee: MW Kellogg Co
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Filing: 1969-07-07
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Granted: 1971-06-08
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Expires: 1989-07-07
Abstract
Abstract A TRANSITION PIPING JOINT BETWEEN PIPING OF WELDABLY INCOMPATIBLE MATERIALS AND METHOD FOR JOINING WELDABLY INCOMPATIBLE CONDUITS WHICH COMPRISES BONDING A FIRST COLLAR OF DISSIMILAR MATERIAL TO THE FIRST CONDUIT, SAID COLLAR MATERIAL HAVING A PERCENT ELONGATION OF AT LEAST 3% AND COEFFICIENT OF EXPANSION INDEPENDENT OF THAT OF THE CONDUIT, WELDING THE FIRST COLLAR TO A SECOND WELDABLY COMPARTIBLE COLLAR JOINED TO THE SECOND CONDUIT AND COMPOSED OF A MATERIAL HAVING A MELTING POINT WHICH VARIES NOT MORE THAN 20% FROM THAT OF THE MATERIAL OF THE FIRST COLLAR.
Inventors
- 👤 Joseph V Costello
- 👤 Lawrence A Zeis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:36
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23; F; F16; F16L; F16L19/00; F16L19/02; F16L19/0212; F16L23/00; F16L23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |