US3304105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint
Assignee: YUBA IND Inc
•
Filing: 1964-06-04
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Granted: 1967-02-14
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Robert B Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:39
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/12; F16L27/127; F16L27/1275; F16L27/12751
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
238 words
A SLIP-TYPE EXPANSION JOINT COMPRISING TELESCOPING INNER AND OUTER JOINT MEMBERS EACH OF ONE-PIECE UNITARY CONSTRUCTION, SAID OUTER JOINT MEMBER BEING FORMED TO PROVIDE A GUIDE SECTION HAVING AN INNER AND AN OUTER END AND AN ENLARGED STUFFING BOX SECTION AT SAID OUTER END OF SAID GUIDE SECTION, MEANS FORMING AN INTERNAL SHOULDER AT SAID INNER END OF SAID GUIDE SECTION, SAID STUFFING BOX SECTION TERMINATING AT ITS OUTER END IN AN EXTERNAL LATERAL FLANGE, SAID INNER JOINT MEMBER HAVING A SLIP PORTION TELESCOPING WITHIN SAID GUIDE AND STUFFING BOX SECTIONS AND BEING ENLARGED ADJACENT THE INNER END OF SAID SLIP PORTION TO A DIMENSION PROVIDING A CLOSE FITTING SLIDING ENGAGEMENT WITHIN SAID GUIDE SECTION, SAID ENLARGED INNER END THEREBY BEING GUIDED BY SAID GUIDE SECTION, A PACKING RING ENCIRCLING SAID SLIP PORTION ADJACENT THE INNER END OF SAID STUFFING BOX SECTION, SAID PACKING RING HAVING AN INNER DIAMETER LESS THAN THE OUTER DIAMETER OF SAID ENLARGED INNER END OF SAID SLIP PORTION TO ENGAGE SAID ENLARGED INNER END OF SAID SLIP PORTION TO ENGAGE WARD MOVEMENT OF SAID INNER JOINT MEMBER RELATIVE TO SAID OUTER JOINT MEMBER, SAID SHOULDER BEING ENGAGED BY SAID ENLARGED INNER END OF SAID SLIP PORTION TO LIMIT INWARD MOVEMENT OF SAID INNER JOINT MEMBER RELATIVE TO SAID OUTER JOINT MEMBER, PACKING ENCIRCLING SAID SLIP PORTION WITHIN SAID STUFFING BOX SECTION, A GLAND ENCIRCLING SAID SLIP PORTION IN CLOSE FITTING SLIDING ENGAGEMENT THERE-
Claim 2
Dependent Claim
238 words
A SLIP-TYPE EXPANSION JOINT COMPRISING TELESCOPING INNER AND OUTER JOINT MEMBERS EACH OF ONE-PIECE UNITARY CONSTRUCTION, SAID OUTER JOINT MEMBER BEING FORMED TO PROVIDE A GUIDE SECTION HAVING AN INNER AND AN OUTER END AND AN ENLARGED STUFFING BOX SECTION AT SAID OUTER END OF SAID GUIDE SECTION, MEANS FORMING AN INTERNAL SHOULDER AT SAID INNER END OF SAID GUIDE SECTION, SAID STUFFING BOX SECTION TERMINATING AT ITS OUTER END IN AN EXTERNAL LATERAL FLANGE, SAID INNER JOINT MEMBER HAVING A SLIP PORTION TELESCOPING WITHIN SAID GUIDE AND STUFFING BOX SECTIONS AND BEING ENLARGED ADJACENT THE INNER END OF SAID SLIP PORTION TO A DIMENSION PROVIDING A CLOSE FITTING SLIDING ENGAGEMENT WITHIN SAID GUIDE SECTION, SAID ENLARGED INNER END THEREBY BEING GUIDED BY SAID GUIDE SECTION, A PACKING RING ENCIRCLING SAID SLIP PORTION ADJACENT THE INNER END OF SAID STUFFING BOX SECTION, SAID PACKING RING HAVING AN INNER DIAMETER LESS THAN THE OUTER DIAMETER OF SAID ENLARGED INNER END OF SAID SLIP PORTION TO ENGAGE SAID ENLARGED INNER END OF SAID SLIP PORTION TO ENGAGE WARD MOVEMENT OF SAID INNER JOINT MEMBER RELATIVE TO SAID OUTER JOINT MEMBER, SAID SHOULDER BEING ENGAGED BY SAID ENLARGED INNER END OF SAID SLIP PORTION TO LIMIT INWARD MOVEMENT OF SAID INNER JOINT MEMBER RELATIVE TO SAID OUTER JOINT MEMBER, PACKING ENCIRCLING SAID SLIP PORTION WITHIN SAID STUFFING BOX SECTION, A GLAND ENCIRCLING SAID SLIP PORTION IN CLOSE FITTING SLIDING ENGAGEMENT THERE-
References Cited (Backward Citations)
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |