Patent US3243568A successfully refreshed from Google Patents.
US3243568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric welding process
Assignee: BOC Group Ltd
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Filing: 1964-08-07
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Granted: 1966-03-29
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Burden Clive Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:59
CPC Classifications
B; B23; B23K; B23K25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A METHOD OF WELDING BY AN ELECTROSLAG TYPE PROCESS, IN WHICH WELD METAL IS SUPPLIED TO THE MOLTEN WELD POOL ALONG A LINE APPROXIMATELY PERPENDICULAR TO THE SURFACES BEING WELDED.
Claim 2
Independent Claim
30 words
A METHOD OF WELDING BY AN ELECTROSLAG TYPE PROCESS, IN WHICH WELD METAL IS SUPPLIED TO THE MOLTEN WELD POOL ALONG A LINE APPROXIMATELY PERPENDICULAR TO THE SURFACES BEING WELDED.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |