Patent US3360039A successfully refreshed from Google Patents.
US3360039A
Expired / Lapsed
US
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Damping device for heat exchangers
Assignee: Sulzer AG
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Filing: 1966-03-02
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Granted: 1967-12-26
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Frei Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:52
CPC Classifications
F; F28; F28D; F28D7/00; F28D7/08; F28D7/082; F28D7/085; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A DAMPING DEVICE FOR INSERTION BETWEEN THE TUBES OF A HEAT EXCHANGER COMPRISING A DAMPING BAR SIZED TO FIT BETWEEN THE TUBES OF A HEAT EXCHANGER IN CLAMPING ENGAGEMENT THEREWITH, AND A FIRST LEG OF RECTANGULAR CROSSSECTION SECURE TO SAID DAMPING BAR, SAID LEG PROJECTING PERPENDICULARLY FROM SAID DAMPING BAR AT AN INCLINED ANGLE THERETO FOR INSERTION BETWEEN A PAIR OF TUBES OF THE HEAT EXCHANGER TO MAINTAIN SAID DAMPING BAR AGAINST LONGITUDINAL DISPLACEMENT.
Claim 2
Dependent Claim
74 words
A DAMPING DEVICE FOR INSERTION BETWEEN THE TUBES OF A HEAT EXCHANGER COMPRISING A DAMPING BAR SIZED TO FIT BETWEEN THE TUBES OF A HEAT EXCHANGER IN CLAMPING ENGAGEMENT THEREWITH, AND A FIRST LEG OF RECTANGULAR CROSSSECTION SECURE TO SAID DAMPING BAR, SAID LEG PROJECTING PERPENDICULARLY FROM SAID DAMPING BAR AT AN INCLINED ANGLE THERETO FOR INSERTION BETWEEN A PAIR OF TUBES OF THE HEAT EXCHANGER TO MAINTAIN SAID DAMPING BAR AGAINST LONGITUDINAL DISPLACEMENT.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |