US3127200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sayag
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
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
2026-11-04 03:47
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L27/00; F16L27/10; F16L27/107; F16L27/11; F16L51/025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
AN EXPANSION JOINT ADAPTED FOR SERIES CONNECTION INTO A CONDUIT COMPRISING, IN COMBINATION, A CORRUGATED BELLOWS ELEMENT FORMED WITH ALTERNATING PEAKS AND HOLLOWS RESPECTIVELY DISPOSED IN AXIALLY SPACED PARALLEL RELATION ORTHOGONALLY WITH RESPECT TO THE AXIS OF THE BELLOWS ELEMENT, A PLURALITY OF DISCRETE HOLLOW RINGS RESPECTIVELY NESTED WITHIN THE HOLLOWS OF SAID BELLOWS ELEMENT IN HEATTRANSFERRING CONTACT WITH THE EXTERNAL SURFACE OF SAID ELEMENT, CONDUIT MEANS COMMUNICATIVE WITH AND INTERCONNECTING SAID RINGS FOR PASSAGE OF A FLUENT HEATING MEDIUM CIRCUMFERENTIALLY ABOUT SAID BELLOWS ELEMENT UNIDIRECTIONALLY FROM ONE END TOWARD THE OPPOSITE END THEREOF, AND MEANS CONNECTING SAID CONDUIT MEANS TO A SOURCE OF SUPPLY OF SAID FLUENT HEATING MEDIUM
References Cited (Backward Citations)
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US1684083A
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US1913573A
Cited
US1891058A
Cited
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Cited
US2362911A
Cited
GB637122A
Cited
US2695182A
Cited
US2762448A
Cited
US2930116A
Cited
US3105708A
Cited
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 |