US1936349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material for coating welding rods
Assignee: A M Castle & Co
•
Filing: 1932-01-25
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Granted: 1933-11-21
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Expires: 1952-01-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:10
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; B23K35/40; B23K35/404; Y; Y10; Y10S; Y10S403/00; Y10S403/02; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951
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) | 1936-11-20 | 1937-05-22 | 1937-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-20 | 1941-05-22 | 1941-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-20 | 1945-05-22 | 1945-11-21 | $7700.00 | Window Closed / Lapsed |