US3367414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded assembly
Assignee: Westinghouse Electric Corp
•
Filing: 1964-11-19
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Granted: 1968-02-06
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Francis X Brown
- 👤 Lorin K Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:32
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/04; F28F9/16; F28F9/18; B; B23; B23K; B23K35/00; B23K35/001; B23K35/004; B23K9/00; B23K9/02; B23K9/028; B23K9/0288; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49373
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A FLUID-TIGHT TUBE-PLATE ASSEMBLY COMPRISING A PLATE OF A FIRST MATERIAL HAVING AN OVERLAY CONSISTING AT LEAST OF A FIRST LAYER OF A SECOND MATERIAL AND OF A SECOND LAYER OF A THIRD MATERIAL AND A PLURALITY OF TUBES IN HOLES IN SAID PLATE, THE RIM OF EACH OF SAID HOLES BEING JOINED TO THE RIMS OF THE CORRESPONDING TUBE BY A WELD TO THE SECOND LAYER OF SAID OVERLAY, THERE BEING SUBSTANTIAL MUTUAL SOLID SOLUBILITY BETWEEN SAID FIRST MATERIAL AND SAID SECOND MATERIAL, BETWEEN SAID SECOND MATERIAL AND SAID THIRD MATERIAL, AND BETWEEN SAID THIRD MATERIAL AND THE MATERIAL OF EACH OF SAID TUBES, SAID FIRST MATERIAL BEING METALLURGICALLY JOINED THROUGHOUT TO SAID SECOND MATERIAL AND SAID SECOND MATERIAL BEING METALLURGICALLY JOINED THROUGHOUT TO SAID THIRD MATERIAL, AND SAID THIRD MATERIAL BEING METALLURGICALLY JOINED TO SAID TUBES.
Claim 2
Dependent Claim
138 words
A FLUID-TIGHT TUBE-PLATE ASSEMBLY COMPRISING A PLATE OF A FIRST MATERIAL HAVING AN OVERLAY CONSISTING AT LEAST OF A FIRST LAYER OF A SECOND MATERIAL AND OF A SECOND LAYER OF A THIRD MATERIAL AND A PLURALITY OF TUBES IN HOLES IN SAID PLATE, THE RIM OF EACH OF SAID HOLES BEING JOINED TO THE RIMS OF THE CORRESPONDING TUBE BY A WELD TO THE SECOND LAYER OF SAID OVERLAY, THERE BEING SUBSTANTIAL MUTUAL SOLID SOLUBILITY BETWEEN SAID FIRST MATERIAL AND SAID SECOND MATERIAL, BETWEEN SAID SECOND MATERIAL AND SAID THIRD MATERIAL, AND BETWEEN SAID THIRD MATERIAL AND THE MATERIAL OF EACH OF SAID TUBES, SAID FIRST MATERIAL BEING METALLURGICALLY JOINED THROUGHOUT TO SAID SECOND MATERIAL AND SAID SECOND MATERIAL BEING METALLURGICALLY JOINED THROUGHOUT TO SAID THIRD MATERIAL, AND SAID THIRD MATERIAL BEING METALLURGICALLY JOINED TO SAID TUBES.
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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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |