Patent US3319044A successfully refreshed from Google Patents.
US3319044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-slag welding backup member
Assignee: Babcock International Ltd
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Filing: 1964-06-24
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Granted: 1967-05-09
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Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Norman T Dick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:26
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/038; B23K25/00; B23K9/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A BACKING MEMBER FOR USE IN BRIDGING A GAP BETWEEN TWO CURVED WORKPIECES WHILST WELDING THE WORKPIECES TOGETHER BY AN ELECTRO-SLAG WELDING PROCESS, THE MEMBER INCLUDING A LONGITUDINALLY FLEXIBLE BACKING STRAP AND A FLEXIBLE CONDUIT THROUGH WHICH COOLING FLUID MAY
Claim 2
Dependent Claim
40 words
A BACKING MEMBER FOR USE IN BRIDGING A GAP BETWEEN TWO CURVED WORKPIECES WHILST WELDING THE WORKPIECES TOGETHER BY AN ELECTRO-SLAG WELDING PROCESS, THE MEMBER INCLUDING A LONGITUDINALLY FLEXIBLE BACKING STRAP AND A FLEXIBLE CONDUIT THROUGH WHICH COOLING FLUID MAY
References Cited (Backward Citations)
US2430266A
Cited
US3219250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |