US2219462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding rod
Assignee: HAYNES STELLITE Co
•
Filing: 1938-03-11
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Granted: 1940-10-29
•
Expires: 1958-03-11
Abstract
No abstract record available.
Inventors
- 👤 William A Wissler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:52
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3046; B23K35/32; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12097; Y10T428/12104; Y10T428/12111
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) | 1943-10-29 | 1944-04-29 | 1944-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-29 | 1948-04-29 | 1948-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-29 | 1952-04-29 | 1952-10-29 | $7700.00 | Window Closed / Lapsed |