US3292691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Babcock International Ltd
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Filing: 1965-01-05
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Granted: 1966-12-20
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Expires: 1985-01-05
Abstract
No abstract record available.
Inventors
- 👤 Welter Josef
- 👤 Metger Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:32
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0132; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/401; Y10S165/416; Y10S165/423; Y10S165/424
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A TUBE SPACER ARRANGEMENT FOR POSITIVELY SPACING A PLURALITY OF TUBES ARRANGED AS A TUBE BUNDLE, SAID TUBES BEING ARRANGED IN A PLURALITY OF ROWS PARALLEL TO THE AXIS OF SAID TUBE BUNDLE, SAID SPACER COMPRISING AN OUTER MEMBER EMBRACING AT LEAST A PORTION OF THE OUTER PERIPHERY OF SAID TUBE BUNDLE AND INCLINED TO THE AXIS OF SAID TUBE BUNDLE, AND A PLURALITY OF SPACING MEANS EXTENDING BETWEEN OPPOSITE PORTIONS OF SAID MEMBER THROUGH SAID TUBE BUNDLE BETWEEN ADJACENT ROWS OF TUBES THEREIN AND ARRANGED TO POSITION AND SPACE ADJACENT TUBES IN SAID TUBE BUNDLE, ADJACENT SPACING MEANS BETWEEN ADJACENT ROWS OF SAID TUBES BEING DISPLACED FROM EACH OTHER AT AN ANGLE TO THE AXIS OF SAID TUBE BUNDLE AT LEAST AS GREAT AS THE ANGLE OF INCLINATION OF SAID OUTER MEMBER.
Claim 2
Dependent Claim
133 words
A TUBE SPACER ARRANGEMENT FOR POSITIVELY SPACING A PLURALITY OF TUBES ARRANGED AS A TUBE BUNDLE, SAID TUBES BEING ARRANGED IN A PLURALITY OF ROWS PARALLEL TO THE AXIS OF SAID TUBE BUNDLE, SAID SPACER COMPRISING AN OUTER MEMBER EMBRACING AT LEAST A PORTION OF THE OUTER PERIPHERY OF SAID TUBE BUNDLE AND INCLINED TO THE AXIS OF SAID TUBE BUNDLE, AND A PLURALITY OF SPACING MEANS EXTENDING BETWEEN OPPOSITE PORTIONS OF SAID MEMBER THROUGH SAID TUBE BUNDLE BETWEEN ADJACENT ROWS OF TUBES THEREIN AND ARRANGED TO POSITION AND SPACE ADJACENT TUBES IN SAID TUBE BUNDLE, ADJACENT SPACING MEANS BETWEEN ADJACENT ROWS OF SAID TUBES BEING DISPLACED FROM EACH OTHER AT AN ANGLE TO THE AXIS OF SAID TUBE BUNDLE AT LEAST AS GREAT AS THE ANGLE OF INCLINATION OF SAID OUTER MEMBER.
References Cited (Backward Citations)
US1882474A
Cited
GB553485A
Cited
US2505695A
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US3104218A
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US3007679A
Cited
US3176762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |