US2691952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fusion welding baching means
Assignee: Babcock and Wilcox Co
•
Filing: 1948-05-08
•
Granted: 1954-10-19
•
Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Evan F Wilson
- 👤 John C Grubb
- 👤 Floyd A Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:12
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/035
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US388246A
Cited
US963603A
Cited
US1642825A
Cited
US1665815A
Cited
US1770649A
Cited
US1719720A
Cited
US1844263A
Cited
US1964926A
Cited
US1948764A
Cited
US1962350A
Cited
US1962351A
Cited
US1906987A
Cited
US1962297A
Cited
US2043020A
Cited
US2010155A
Cited
US2089840A
Cited
US2167338A
Cited
US2205002A
Cited
US2256879A
Cited
US2272698A
Cited
US2362505A
Cited
US2365226A
Cited
US2408255A
Cited
US2522459A
Cited
US2413103A
Cited
US2452867A
Cited
US2469965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |