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Patent US2040189A successfully refreshed from Google Patents.
US2040189A
Expired / Lapsed
US
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Welding material
Assignee: Vanadium Corp of America
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Filing: 1930-01-04
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Granted: 1936-05-12
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Expires: 1950-01-04
Abstract
No abstract record available.
Inventors
- 👤 Strauss Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:16
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3053; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2953
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) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |