US3126918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip ring spacer for insulated conduit systems
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
2026-10-24 12:29
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/12; F16L59/13; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49377; Y10T29/49378; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IMPROVED SPACER MEANS FOR CONDUITS OF THE TYPE HAVING AN INNER PIPE FOR CARRYING A FLUID AND AN OUTER CASING THROUGH WHICH SAID INNER PIPE EXTENDS IN SPACED RELATION WITH THE OUTER CASING; SAID SPACER MEANS INCLUDING A RINGLIKE AXIALLY ELONGATED SHEET METAL LAGGING PIECE OPERATIVELY SECURED TO THE INNER PIPE SO AS TO MOVE AXIALLY WITH THE INNER PIPE IN RESPONSE TO EXPANSION OR CONTRACTION OF THE INNER PIPE, AND A SHEET METAL NODAL-TYPE SPACER RING SLIDABLY ARRANGED ON SAID LAGGING PIECE AND ADAPTED TO ENGAGE THE INNER SURFACE OF AN OUTER CASING TO SPACE THE INNER PIPE FROM THE OUTER CASING, WHEREBY THE INNER PIPE AND THE LAGGING PIECE OPERATIVELY SECURED THERETO ARE SLIDABLE WITHIN THE SPACER RING WHEN THE INNER PIPE EXTENDS OR CONTRACTS.
Claim 2
Dependent Claim
127 words
IMPROVED SPACER MEANS FOR CONDUITS OF THE TYPE HAVING AN INNER PIPE FOR CARRYING A FLUID AND AN OUTER CASING THROUGH WHICH SAID INNER PIPE EXTENDS IN SPACED RELATION WITH THE OUTER CASING; SAID SPACER MEANS INCLUDING A RINGLIKE AXIALLY ELONGATED SHEET METAL LAGGING PIECE OPERATIVELY SECURED TO THE INNER PIPE SO AS TO MOVE AXIALLY WITH THE INNER PIPE IN RESPONSE TO EXPANSION OR CONTRACTION OF THE INNER PIPE, AND A SHEET METAL NODAL-TYPE SPACER RING SLIDABLY ARRANGED ON SAID LAGGING PIECE AND ADAPTED TO ENGAGE THE INNER SURFACE OF AN OUTER CASING TO SPACE THE INNER PIPE FROM THE OUTER CASING, WHEREBY THE INNER PIPE AND THE LAGGING PIECE OPERATIVELY SECURED THERETO ARE SLIDABLE WITHIN THE SPACER RING WHEN THE INNER PIPE EXTENDS OR CONTRACTS.
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 |