Patent US4100889A successfully refreshed from Google Patents.
US4100889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Band type tube support
Assignee: Combustion Engineering Inc
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Filing: 1977-04-07
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Granted: 1978-07-18
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Expires: 1997-04-07
Abstract
Abstract A tube support for horizontal tubes supported by vertical tubes, including lugs welded to opposite sides of the vertical tubes, and a band encircling two horizontal tubes positioned on opposite sides of the vertical support tube. The band rests on and is supported by the lugs.
Inventors
- 👤 Norman Chanine Chayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:13
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/20; F22B37/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
In combination, a vertical gas pass through which hot gasses flow, a heat exchanger including at least two horizontal, adjacent tube means, a tube support for the horizontal tube means including a vertical support tube positioned intermediate the two horizontal tube means, a pair of lugs, welded to opposite sides of the vertical tube, band means encircling the two horizontal tube means, the band means resting on and being supported by the lugs, said band means encompassing the vertical tube also, said band means being loose enough to permit relative movement between the two horizontal tube means, and also relative movement between the vertical tube and each of the horizontal tube means.
Claim 2
Dependent Claim
112 words
In combination, a vertical gas pass through which hot gasses flow, a heat exchanger including at least two horizontal, adjacent tube means, a tube support for the horizontal tube means including a vertical support tube positioned intermediate the two horizontal tube means, a pair of lugs, welded to opposite sides of the vertical tube, band means encircling the two horizontal tube means, the band means resting on and being supported by the lugs, said band means encompassing the vertical tube also, said band means being loose enough to permit relative movement between the two horizontal tube means, and also relative movement between the vertical tube and each of the horizontal tube means.
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) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |