US3258575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of welding
Assignee: Babcock International Ltd
•
Filing: 1963-11-01
•
Granted: 1966-06-28
•
Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Phillip D Santilhano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:35
CPC Classifications
B; B23; B23K; B23K25/00; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF WELD UNITING BY THE ELECTRO-SLAG PROCESS OPPOSING STEEL WORKPIECE SURFACES ARRANGED TO FORM A WELDING ZONE, SAID METHOD COMPRISING DEPOSITING STEEL WELD METAL IN SAID WELDING ZONE, AND COOLING THE DEPOSITED WELD METAL AT A REATE SUCH THAT THE TIME THE WELD AT ANY LOCATION EXCEEDS A TEMPERATAURE OF 700%C. IS SO LIMITED THAT A FINE GRAIN STRUCTURE WELD IS PRODUCED.
Claim 2
Independent Claim
64 words
A METHOD OF WELD UNITING BY THE ELECTRO-SLAG PROCESS OPPOSING STEEL WORKPIECE SURFACES ARRANGED TO FORM A WELDING ZONE, SAID METHOD COMPRISING DEPOSITING STEEL WELD METAL IN SAID WELDING ZONE, AND COOLING THE DEPOSITED WELD METAL AT A REATE SUCH THAT THE TIME THE WELD AT ANY LOCATION EXCEEDS A TEMPERATAURE OF 700%C. IS SO LIMITED THAT A FINE GRAIN STRUCTURE WELD IS PRODUCED.
References Cited (Backward Citations)
US2043960A
Cited
US2227193A
Cited
US2241572A
Cited
US2395723A
Cited
US2444834A
Cited
US2997571A
Cited
US3024352A
Cited
US3102025A
Cited
US3137782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |