Patent US3262497A successfully refreshed from Google Patents.
US3262497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Header-tube assembly and fitting therefor
Assignee: Bethlehem Steel Corp
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Filing: 1965-03-08
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Granted: 1966-07-26
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Worthen Eugene Porter
- 👤 Stelling John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:12
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/02; F22B1/08; F22B1/12; F22B1/123; F22B17/00; F22B17/02; F22B17/025; F28; F28D; F28D7/00; F28D7/06; F28F; F28F21/00; F28F21/08; F28F21/081; F28F21/082; F28F21/083; F28F9/00; F28F9/02; F28F9/0243; F28F9/026; F28F9/027; F28F9/0275; F28F2009/0285; F28F2009/029; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A HEADER ASSEMBLY COMPRISING: (A) PIPE HEADER MEANS HAVING: AN INLET CHAMBER, AND AN OUTLET CHAMBER, (B) A PAIR OF MULTI-ELEMENT FITTINGS, EACH OF SAID MULTIELEMENT FITTINGS COMPRISING: A PIPE SECTION SECURED TO SAID PIPE HEADER MEANS, AN ENLARGED CONVEX HEAD PORTION ON SAID PIPE SECTION, AND A PLURALITY OF STUBS SECURED NORMALLY TO THE SURFACE OF SAID ENLARGED CONVEX HEAD PORTION, ONE OF SAID MULTI-ELEMENT FITTINGS BEING IN FLUID COMMUNICATING RELATION WITH SAID INLET CHAMBER AND THE OTHER OF SAID MULTI-ELEMENT FITTINGS BEING IN FLUID COMMUNICATING RELATION WITH SAID OUTLET CHAMBER, (C) A PLURALITY OF U-TUBES HAVING: LEG PORTIONS, AND END PORTIONS, THE LEG PORTIONS OF ALL U-TUBES BEING PARALLEL TO EACH OTHER, THE END PORTIONS OF SAID U-TUBES BEING BENT AT AN ANGLE TO THEIR RESPECTIVE LEGS TO MEET SQUARELY SAID STUBS AND BUTTWELDED THERETO.
Claim 2
Dependent Claim
137 words
A HEADER ASSEMBLY COMPRISING: (A) PIPE HEADER MEANS HAVING: AN INLET CHAMBER, AND AN OUTLET CHAMBER, (B) A PAIR OF MULTI-ELEMENT FITTINGS, EACH OF SAID MULTIELEMENT FITTINGS COMPRISING: A PIPE SECTION SECURED TO SAID PIPE HEADER MEANS, AN ENLARGED CONVEX HEAD PORTION ON SAID PIPE SECTION, AND A PLURALITY OF STUBS SECURED NORMALLY TO THE SURFACE OF SAID ENLARGED CONVEX HEAD PORTION, ONE OF SAID MULTI-ELEMENT FITTINGS BEING IN FLUID COMMUNICATING RELATION WITH SAID INLET CHAMBER AND THE OTHER OF SAID MULTI-ELEMENT FITTINGS BEING IN FLUID COMMUNICATING RELATION WITH SAID OUTLET CHAMBER, (C) A PLURALITY OF U-TUBES HAVING: LEG PORTIONS, AND END PORTIONS, THE LEG PORTIONS OF ALL U-TUBES BEING PARALLEL TO EACH OTHER, THE END PORTIONS OF SAID U-TUBES BEING BENT AT AN ANGLE TO THEIR RESPECTIVE LEGS TO MEET SQUARELY SAID STUBS AND BUTTWELDED THERETO.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |