US2214002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded article and method of making same
Assignee: Babcock and Wilcox Co
•
Filing: 1938-03-15
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Granted: 1940-09-10
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Expires: 1958-03-15
Abstract
No abstract record available.
Inventors
- 👤 James E Trainer
- 👤 James C Hodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/06; B01; B01J; B01J19/00; B01J19/02; B01J2219/00; B01J2219/02; B01J2219/0204; B01J2219/0236; B01J2219/025; B01J2219/0277; B01J2219/0286; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12778; Y10T428/12861; Y10T428/12937; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-09-10 | 1944-03-11 | 1944-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-10 | 1948-03-11 | 1948-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-10 | 1952-03-11 | 1952-09-10 | $7700.00 | Window Closed / Lapsed |